Welterweight weight category in boxing. UFC weight categories. Weigh-in in boxing

We will consider three areas of weight divisions - amateur boxing, professional boxing and mixed martial arts (MMA). Each of these sports has its own weight categories.

In order for the fights to be competitive and the athletes not to have an advantage due to size, they introduced, if we consider in particular boxing, weight categories. Men must face roughly comparable opponents in terms of weight.

Initially there were only two weight categories in boxing, but subsequently the number of divisions grew. Boxing has evolved and, accordingly, more and more

At the moment, if you count the weight categories in amateur boxing, there are now ten of them. There are nine divisions in mixed martial arts. At the same time, the weight categories in professional boxing divided as many as 17 divisions.

Amateur boxing

For boys under 15 years old there is no division into weight categories, but certain rules apply there too. Often, organizers try to ensure that the difference in weight between athletes does not exceed more than two kilograms.

There are already clear restrictions for men. What are the weight categories in boxing? Over time, almost every division has changed its weight limit. For example, at the beginning of the century, boxers competed in the heavy weight division; their weight exceeded 71 kilograms. Now this is a middleweight, and an amateur heavyweight is a boxer who weighs from 81 to 91 kilograms. And if initially the heavy weight was not limited, then since 1984 a super heavy weight has appeared in amateur boxing, in which athletes weighing 91 kilograms or more compete.


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It is worth noting that there is no super heavyweight in professional boxing. And it is incorrect to apply the term “super heavyweight” to such boxers as Mike Tyson, Lennox Lewis, Anthony Joshua or Alexander Povetkin. You just need to look into the relevant literature and check: what are the weight categories in boxing, after which it will become clear that all of the above are heavyweights.

It should also be added that after the Olympic Games in Sydney in 2000, competitions in the junior middleweight (67-71 kg) ceased, and after the 2008 Olympics in Beijing, the featherweight division was closed, in which the Russians were champions Alexey Tishchenko and Ukrainian Vasily Lomachenko.

Professional boxing

It is immediately worth noting that if for weight categories in amateur boxing the metric system was initially used and, accordingly, kilograms, in professional boxing the division of weight divisions is carried out in pounds. This is due to the fact that professional boxing originated in the USA, and all championship organizations (WBA, WBC, IBF and WBO) are focused on working with the American market. And this difference in the number of weight categories is explained by the fact that professional boxing is a commercial product. For each championship belt, the organization receives a percentage of the boxer's income. In fact, the proportions and income are equal to the number of weight categories in boxing.

The difference in weight in the junior divisions is insignificant, so the Filipino boxer Manny Pacquiao managed to become a world champion in eight weight categories, winning the title for the first time in the second flyweight division.


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From the first days there were eight divisions, but over the years nine more were created. In 2018, there was discussion about the possibility of creating a super heavyweight division for boxers whose weight exceeds 250 pounds (113 kg). But it was decided to abandon this idea, since the weight of the current champions and other leading heavyweight boxers did not exceed 110 kilograms. As a result, today the heavy weight category in boxing is a kind of maximum.

Mixed martial arts is a professional sport. There are no amateur or Olympic competitions for them. But at the moment there are significantly fewer weight categories in MMA than in boxing.

This is primarily due to the fact that the mixed martial arts market is just beginning to grow, and the structure of fights is significantly different from that in boxing.

The fighters are united into one company (promotion), which organizes fights. The UFC is now leading the world. In Russia, in recent years, the ACB organization has grown significantly, which is the third largest in the world.

There are a lot of similar companies around the world. And not all nine weight categories are active in each of them. To do this, you need to have contracts with a huge number of fighters, which requires large financial investments. For example, the UFC does not hold fights in the heavyweight division (from 120 kg).

There are also specific promotions like Invicta, which organize only fights between women. Until 2017, the UFC had only one women's division - bantamweight. But later three more appeared: featherweight, flyweight and minimum (up to 52 kg).

Weighing

Before any fight, boxers and fighters undergo an official weigh-in procedure, which is usually held a day before the fight.

Moreover, in amateur boxing, a fighter is required to undergo weigh-in before the start of the tournament, and subsequently before each fight. The weigh-in on the first day determines the weight category in which the athlete will compete. If a boxer exceeds the limit, he can be entered into another weight category if his team has a quota there. But a boxer has no right to change weight category during the tournament.


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Weigh-ins in professional boxing and MMA take place a day before the fight. According to the statutes of different organizations, weigh-ins can take place in the morning or afternoon. Morning weigh-ins give fighters who lift a lot of pounds a head start.

But even if a boxer or fighter does not meet the limit, it is not necessary that the fight will be canceled. First, the athlete will be given one hour or two, depending on the regulations, to meet the limit on the second attempt.

If it turns out to be unsuccessful, the boxer or fighter loses part of the fee and cannot claim the title, as well as promotion in the ratings. Therefore, weight categories can be considered rules that are needed so that rivals of comparable sizes meet each other, and the viewer has the opportunity to see a competitive fight.

Weight categories in boxing were first introduced in the 18th century, regulated by the Broughton rules of 1738 and officially approved everywhere in 1884, before fights were held only in one, absolute weight category. To differentiate heavyweights from all other athletes, light and heavy weight categories were introduced. Subsequently, the number of categories was significantly expanded. Similar weight categories but with different weights were subsequently adopted for other combat sports. The weighing procedure (which became the weighing ceremony by the second half of the 20th century) became a mandatory element of pre-competition events.

Prerequisites

A long time passed from the appearance of boxing without gloves in England to the introduction of the first weight category. A whole group of factors that influenced the anthropology of the English population, such as the meager nutrition of the lower classes (who formed the basis of the boxers), made division into weight categories unnecessary. The average height of an Englishman did not exceed five feet, boxers taller than six feet (183 cm) were very rare, and even after the official introduction of unified weight categories, heavyweight boxing champions of the late 19th and early 20th centuries: Irishman Peter Maher and African-American Jack Johnson - the first was called the “Irish Giant”, the second the “Galveston Giant” - their height was 182 and 184 cm, respectively, which is an indicator of the average height in their countries by modern standards and frankly short height for modern heavyweight boxers. As the anthropological portrait of the average Englishman began to change due to the industrial revolution, increasing caloric intake, the phenomenon of acceleration, and the difference in weight between competitors began to become more and more striking, the first official weight limit was introduced - up to 160 pounds (72.5 kg), which divided boxers into heavyweights and lightweights. Even the margin of the then heavy weight (today is an indicator of average weight) itself allows us to judge the physique of the majority of boxers of those times. Since the athletes of that time were not distinguished by height, height categories and arm span categories (which are sometimes more significant factors than a boxer’s weight) were never introduced and do not exist in boxing to this day, although attempts to introduce them and rank athletes by height were discussed at the international level sports regulatory organizations.

The first attempts to break down lightweights and heavyweights date back to the beginning of the 18th century, and there were no uniform rules or regulations governing weight categories until 1738 (which was consistent with English traditions). The traditional unit of measurement for the weight of boxers in England is still the stone; in 1823, the upper limit of the light weight category was considered to be 11-12 stone, equivalent to 69.9-76.2 kg, respectively. Even after the introduction of weight categories, the rules did not prohibit middleweight boxers from competing on a par with heavyweights if they wished; middleweights competed in heavier weight categories for a long time and even became champions (in this regard, the most famous and illustrative examples are Bob Fitzsimmons and Stanley Ketchel in the West, and Evgeniy Ogurenkov in the USSR). The last “shot from the past” in this regard can be considered the two championship fights of light heavyweight Billy Conn against Joe Louis for the world heavyweight title in 1941 and 1946. (1941: 78.9 vs. 90.5 kg; 1946: 82.5 vs. 93.9 kg), Conn countered Louis' knockout power with a speed and pace of action that he had never encountered before, came very close to winning by knockout, but Louis emerged victorious in the exchange of blows. Attempts to transition middleweights to heavyweight were made later with varying degrees of success.

Professional boxing

Weight in kg (in brackets - in pounds) Year of creation name of category WBC W.B.A. IBF WBO BoxRec
Over 90,718 (>200) 1885 Heavy weight Heavyweight Heavyweight Heavyweight Heavyweight Heavyweight
Up to 90,718 (200) 1980 First heavyweight Cruiserweight Cruiserweight Cruiserweight Junior heavyweight Cruiserweight
Up to 79,378 (175) 1913 Light Heavyweight Light heavyweight Light heavyweight Light heavyweight Light heavyweight Light heavyweight
Up to 76,203 (168) 1984 Second middle weight Super middleweight Super middleweight Super middleweight Super middleweight Super middleweight
Up to 72,574 (160) 1884 Average weight Middleweight Middleweight Middleweight Middleweight Middleweight
Up to 69.85 (154) 1962 First middleweight Super welterweight Super welterweight Junior middleweight Junior middleweight Super welterweight
Up to 66,678 (147) 1914 Welterweight Welterweight Welterweight Welterweight Welterweight Welterweight
Up to 63,503 (140) 1959 Welterweight Super lightweight Super lightweight Junior welterweight Junior welterweight Light welterweight
Up to 61,235 (135) 1886 A light weight Lightweight Lightweight Lightweight Lightweight Lightweight
Up to 58,967 (130) 1959 Second featherweight Super featherweight Super featherweight Junior lightweight Junior lightweight Super featherweight
Up to 57,153 (126) 1889 Feather-weight Featherweight Featherweight Featherweight Featherweight Featherweight
Up to 55,225 (122) 1976 Second Bantamweight Super bantamweight Super bantamweight Junior featherweight Junior featherweight Super bantamweight
Up to 53,525 (118) 1894 Bantamweight Bantamweight Bantamweight Bantamweight Bantamweight Bantamweight
Up to 52,163 (115) 1980 Second flyweight Super flyweight Super flyweight Junior bantamweight Junior bantamweight Super flyweight
Up to 50,802 (112) 1911 Flyweight Flyweight Flyweight Flyweight Flyweight Flyweight
Up to 48,988 (108) 1975 First flyweight Light flyweight Light flyweight Junior flyweight Junior flyweight Light flyweight
Up to 47,627 (<105) 1987 Minimum weight Miniflyweight Minimumweight Mini flyweight Mini flyweight Minimumweight

Amateur boxing

Juniors
Weight, kg) name of category English
over 90 Heavy weight Heavyweight
75 - 80 Light Heavyweight Light heavyweight
70 - 75 Average weight Middleweight
66 - 70 Junior middleweight Light Middleweight
63 - 66 Second welterweight Welterweight
60 - 63 Welterweight Light welterweight
57 - 60 A light weight Lightweight
54 - 57 Feather-weight Featherweight
52 - 54 Second Bantamweight Bantamweight
50 - 52 Bantamweight Light bantam weight
48 - 50 Flyweight Flyweight
46 - 48 First flyweight Light flyweight
44 - 46 Minimum weight Pinweight
Women
Weight, kg) name of category

Many novice athletes ask questions: why boxing competitions are held in terms of weight categories, how to classify an athlete into one or another category, and what is the main factor in such a division. Experienced athletes monitor their weight category very carefully and know how to work with weight, but let's try to answer these questions for beginners.

What are weight categories for?

Boxing involves inflicting physical injuries, according to the rules and standards of this sport, to your opponent until the latter is unable to continue the fight - this can be either a voluntary refusal, the inability to continue due to medical contraindications, or the physical absence of such an opportunity (knockout).

  • E - impact energy
  • V - impact speed
  • m - mass (weight)
  • S is the energy distribution area.

As we know from a school physics textbook, in order to inflict the maximum level of damage, given the given parameters, it is necessary to change one of the components of the equation - either increase the speed of the strike, or increase its mass, or reduce the affected area.

If the shape and weight of the glove are regulated by the rules of the boxing federation and are unified, the speed of striking is subject to individual training, but is a very subjective factor, then the weight factor is objective. Almost any athlete can gain additional weight, or remove excess weight, which, in fact, will directly affect the destructive power of each of his blows. Indirectly, this may also affect the ability to “take a hit.”

It is for these reasons that, in both professional and amateur boxing, athletes are divided into several weight categories. The weight of the athlete is controlled at the competition stage and immediately before the fight a weighing procedure is carried out, at which it is necessary to determine whether the athletes have put in the given weight limits. If “yes”, the fight takes place as usual, but if “no”, disciplinary sanctions may occur from the organizers.

Amateur boxing

Amateur boxing competitions at both national and international levels are held in accordance with the rules and recommendations of the International Boxing Federation AIBA.

In accordance with paragraph 1 of the Rules (as amended on April 26, 2017), athletes are classified into 3 main groups by age. Subsequently, separate weight rules also apply to these groups.

Age classification according to AIBA

  • “Elite” group: Men and women aged 19 to 40 years.
  • “Youth” group – men and women aged 17 to 18 years.
  • “Junior” group – men and women aged 15 to 16 years.
Aiba. Men aged 19-40 and Teenagers 17-18 years old (Elite and Youth)
# Category name More than (kg) Up to (kg)
1 First flyweight (Light Fly) 46 49
2 Flyweight (Fly) 49 52
3 Lightest (Bantam Weight) 52 56
4 Light weight 56 60
5 60 64
6 Welterweight (Welter) 64 69
7 Middle 69 75
8 75 81
9 Heavy 81 91
10 Super Heavy 91 -
Aiba. Juniors (girls and boys) aged 15-16 years
# Category name More than (kg) Up to (kg)
1 Pin 44 46
2 46 48
3 Flyweight (Fly) 48 50
4 Bantamweight (Light Bantam) 50 52
5 Bantamweight (Rooster weight) 52 54
6 Feather weight 54 57
7 Light weight 57 60
8 Welterweight (Light Welter) 60 63
9 Welterweight (Welter) 63 66
10 First middle (Light Middle) 66 70
11 Middle 70 75
12 First heavy (Light Heavy) 75 80
13 Heavy 80 -
Aiba. Women aged 19-40 and 17-18 years (Elite and Junior groups)
# Category name More than (kg) Up to (kg)
1 First Flyweight (Light Fly) 45 48
2 Flyweight (Fly) 48 51
3 Lightest (Bantam) 51 54
4 Feather 54 57
5 Light 57 60
6 Welterweight (Light Welter) 60 64
7 Welterweight (Welter) 64 69
8 Middle 69 75
9 First heavy (Light Heavy) 75 81
10 Heavy 81 -

Choosing boxing gloves depending on weight

The size (weight) of boxing gloves is also stipulated by Aiba rules. In accordance with paragraph 21 (rule 21), athletes in the weight category up to welterweight (64 kg) must use gloves weighing 10 ounces. Boxers in heavier weight classes, ranging from 69kg and above, use 12 ounce gloves.

However, all girls of all ages, as well as male teenagers (age 15-16 years), should use 10 ounce gloves.

We remind you that in our catalog of boxing gloves you can select and buy models for any age and purpose, including for competitions at the national and international level of the FBU/AIBA. You can select the size (weight) of the glove using the filter on the page.

Professional boxing

Professional boxing differs from amateur boxing in almost all respects. There are other rules and requirements for equipment, other weight categories, a different number of rounds, etc. Professional boxing gloves are also used here, which generally differ from ordinary ones in better fixation on the hand (due to laces), a smaller layer of filling, a more comfortable fit of the fist and full rotation.

There is no single international organization in professional boxing. Today, among the most famous are the WBC (World Boxing Counsel), WBO (World Boxing Organization), WBA (World Boxing Association), IFB. Each organization has its own ranking of boxers by weight category. Weight categories for all organizations are unified.

Professional boxing. Weight categories in professional boxing
# Category name More than (kg) Up to (kg) Before (Lbs)
1 Mini Fly Weight - 47.63 105
2 Junior Fly Weight 47.63 48.99 108
3 Fly Weight 48.99 50.8 112
4 Junior Bantam Weight 50.8 52.16 115
5 Bantam Weight 52.16 53.52 118
6 Junior Feather Weight 53.52 55.34 122
7 Feather Weight 55.34 57.15 126
8 Junior Light Weight 57.15 58.97 130
9 Light Weight 58.97 61.24 135
10 Junior Welterweight 61.24 63.5 140
11 Welterweight 63.5 66.68 147
12 Junior Middle Weight 66.68 69.85 154
13 Middle Weight 69.85 72.58 160
14 Second Middle Weight 72.58 76.2 168
15 First heavy weight (Light Heavy weight) 76.2 79.38 175
16 Junior Heavy weight 79.38 90.72 200
17 Super Heavy Weight 91.17+ - 201+

In wrestling, boxing and weight lifting, weight categories have been introduced because in these sports too much depends on the weight of the athlete, which to a large extent determines the muscle mass of the body, in other words, strength. All competitors in boxing, wrestling and weightlifting have an equal opportunity to become champions.

Boxing

Competitions boys of the younger age group (14-15 years old) are held without dividing participants into weight categories. After weighing, the pairs are drawn up in such a way that the difference in the weight of the boxers does not exceed 2 kg.

Competitions for older boys (16-17 years old) are held in 13 weight categories:

first flyweight - 44-46 kg;

second flyweight - up to 48 kg;

first lightest - up to 50 kg;

second lightest - up to 52 kg;

featherweight - up to 54 kg;

light - up to 57 kg;

first welterweight - up to 60 kg;

second welterweight - up to 63 kg;

first average - up to 66 kg;

second average - up to 70 kg;

semi-heavy - up to 74 kg;

the first heavy - up to 80 kg;

the second is heavy - over 80 kg.

Competitions for juniors (18-19 years old) and adults (20 years old and older) are held in 11 weight categories:

first flyweight - 46-48 kg;

second flyweight (sometimes this weight category is called “fly weight”) - up to 51 kg;

lightest (rooster weight) - up to 54 kg;

featherweight (feather weight) - up to 57 kg;

light - up to 60 kg;

first welterweight - up to 63.5 kg;

second welterweight - up to 67 kg;

first average - up to 71 kg;

second average - up to 75 kg;

semi-heavy - up to 81 kg;

heavy - over 81 kg.

A boxer can only compete in the weight category assigned to him at the weigh-in.

Weightlifting

Boys and juniors under 20 years of age are divided into 8 weight categories:

light heavy weight - up to 90 kg inclusive;

heavy weight - over 90 kg.

Juniors aged 20-22 and adults (23 years and older) compete in 10 weight categories:

lightest weight - up to 52 kg inclusive;

lightest weight - up to 56 kg inclusive;

featherweight - up to 60 kg inclusive;

light weight - up to 67.5 kg inclusive;

welterweight - up to 75 kg inclusive;

average weight - up to 82.5 kg inclusive;

first light heavy weight - up to 90 kg inclusive;

second light heavy weight - up to 100 kg inclusive;

first heavy weight - up to 110 kg inclusive;

second heavy weight - over 110 kg.

Weightlifters weigh in secretly. The results are announced only after all participants in the competition among athletes of the same weight category have been weighed. The one whose own weight is less has an advantage.

Freestyle and classical wrestling

Participants are divided into the following weight categories:

teenagers (12-13 years old) and younger boys (14-15 years old):

first flyweight - from 32 to 35 kg;

second flyweight - up to 38 kg;

first bantamweight - up to 41 kg;

second lightest weight - up to 44 kg;

first featherweight - up to 47 kg;

second featherweight - up to 50 kg;

first light weight - up to 53 kg;

second light weight - up to 56 kg;

first welterweight - up to 59 kg;

second welterweight - up to 62 kg;

first average weight - up to 65 kg;

second average weight - up to 68 kg;

first light heavyweight - up to 71 kg;

second light heavyweight - up to 74 kg;

first heavy weight - up to 77 kg;

second heavy weight - over 77 kg.

Older boys (16-17 years old):

first flyweight - from 42 to 45 kg;

lightest weight - up to 52 kg;

featherweight - up to 56 kg;

light weight - up to 60 kg;

light heavy weight - up to 87 kg;

heavy weight - over 87 kg.

Juniors (18-19 years old) and adults (19 years old and older):

lightest weight - up to 48 kg;

lightest weight - up to 52 kg;

featherweight - up to 57 kg;

light weight - up to 62 kg;

first welterweight - up to 68 kg;

second welterweight - 74 kg;

first average weight - up to 82 kg;

light heavyweight - up to 100 kg;

heavy weight - over 100 kg.

Sambo

Sambo wrestling has the following weight categories:

Teenagers (12-13 years old):

first flyweight - up to 29 kg;

second flyweight - up to 32 kg;

first bantamweight - up to 35 kg;

second lightest weight - up to 38 kg;

first featherweight - up to 41 kg;

second featherweight - up to 44 kg;

first light weight - up to 47 kg;

second light weight - up to 50 kg;

first welterweight - up to 53 kg;

second welterweight - up to 56 kg;

first average weight - up to 59 kg;

second average weight - up to 62 kg;

first light heavy weight - up to 65 kg;

second light heavy weight - up to 68 kg;

first heavy weight - up to 71 kg;

second heavy weight - over 71 kg.

For younger boys (14-15 years old) the same 16 weight categories, but they start with a weight of up to 35 kg, change every 3 kg and end with a weight of over 77 kg.

Older boys (16-17 years old):

first flyweight - up to 45 kg;

second flyweight - up to 48 kg;

lightest weight - up to 52 kg;

featherweight - up to 56 kg;

light weight - up to 60 kg;

first welterweight - up to 65 kg;

second welterweight - up to 70 kg;

first average weight - up to 75 kg;

second average weight - up to 81 kg;

light heavy weight - up to 87 kg;

heavy weight - over 87 kg.

Juniors (18-19 years old) and adults:

lightest weight - up to 48 kg;

lightest weight - up to 52 kg;

featherweight - up to 57 kg;

light weight - up to 62 kg;

first welterweight - up to 68 kg;

second welterweight - up to 74 kg;

first average weight - up to 82 kg;

second average weight - up to 90 kg;

light heavyweight - up to 100 kg;

heavy weight - over 100 kg.

Notes

1. Although the teenage, youth and junior categories are updated extremely rarely, information about the categories may be out of date, please check with other sources. The data given is current as of 1979.

2. According to the decision of the Executive Committee of the All-Russian Sambo Federation, which took place on September 30, 2011 in Moscow, it was decided to change the weight categories in sambo among boys and girls (11-12 years old, 13-14 years old and 15-16 years old) from 1 January 2012.

Boys - 42, 46, 50, 55, 60, 66, 72, 78, 84, over 84 kg.

Girls - 38, 41, 44, 48, 52, 56, 60, 65, 70, over 70 kg.

Boys - 35, 38, 42, 46, 50, 54, 59, 65, 71, over 71 kg.

Girls - 34, 37, 40, 43, 47, 51, 55, 59, 65, over 65 kg.

Boys - 31, 34, 38, 42, 46, 50, 55, 60, 65, over 65 kg.

Girls - 26, 29, 34, 37, 40, 43, 47, 51, 55, over 55 kg.

There are a wide variety of weight categories in boxing, and athletes are required to comply with them. In many ways, preparation for a fight takes place not in the practice of fighting, but in bringing the boxer’s weight into compliance with the norms. If 100-200 grams are not enough for him, or if he has excess weight, the boxer is transferred to another category, which means he cannot take part in the fight. So athletes and their coaches take weight control very seriously. It is worth considering what weight categories exist in boxing.

Official weight categories

There are various types of boxing, and in them the differentiation of the mass of athletes varies. For example, weight categories in Muay Thai will be different from those in the classical version. We are now interested in classic boxing. There are 17 categories in total, and separate competitions are held for each of them. The lightest category is called “feather weight”, and boxers whose weight is 47.6 kilograms take part in such fights. If an athlete already weighs 49 kilograms, then he should be classified in the lightest category. In general, the weight categories in boxing at such a light level do not differ too much, mostly by 1-2 kilograms. More impressive differences begin when the boxers' weight exceeds 63 kilograms.

Weight categories in boxing after 63 kilograms start at 63.5 kilograms, and despite the seemingly considerable number, the name is still quite light - super lightweight. However, this weight is already much more popular, has many more competitive fighters than previous ones, and is much more entertaining. The next category is located at 66.7 kilograms, and it is called welterweight. Next, with a difference of about three kilograms, there are super welterweight and middleweight, but super middleweight fighters must have 76.2 kilograms of mass. The light heavy weight category means 79.4 kilograms for each fighter, and the heavy weight category means 86.2. All boxers whose weight exceeds this mark belong to the super heavyweight category.

Weight categories in boxing have their own level of popularity. Most weight classes up to 55 kilograms do not attract many spectators, however, the super heavyweight is not the most popular.

Some of the most attractive categories are those that have the word “light” in them, but still exceed 55 kilograms. For example, featherweight and lightweight attract both a large number of athletes and a huge crowd of fans. The super-middleweight also squeezed in between them, but it is still not the most sought-after. After all, this is boxing, weight categories are very important here, since with the right balance of power and agility you get a great show. If the athletes weigh too much, then the fights will be undynamic, and if they weigh too little, then the audience will not be able to enjoy the full strength of the boxers, which is why they come to watch this type of martial arts. Therefore, the ideal combination of agility and power is the welterweight division, in which fighters with a body weight of 66.7 kilograms fight.