Every great UFC rivalry has one thing in common: Weight. Every fighter must first fight in the division that best suits the size of the athlete before fans start arguing about championship contenders or fantasizing about super fights. The UFC’s weight class system was established to make fights fairer, safer and more competitive. Fighters should be matched up against others with similar physical attributes, not with a huge size advantage.
Today, the UFC has divisions for men and women, each with its own contenders, rankings and championship belts. Every class, from the lightning-fast flyweights to the crushing power of the heavyweights, has its own style and personality. This guide will explain the UFC weight classes, how fighters qualify for them, and what makes each MMA division different.
Why does the UFC use weight classes?
In the early days of mixed martial arts, it was common for fighters to fight guys much bigger or much smaller than themselves. But as much as those contests made for memorable moments, they also underscored the importance of matching up athletes of similar size.
Today’s MMA is organized into weight classes to promote parity of competition and to reduce unfair physical advantages. All UFC fighters must make the official weight limit before they can compete, to level the playing field inside the Octagon.
Each division has a champion . This way the athletes can compete for the title of champion in a division of their own size and strength .
Men’s UFC weight classes
The UFC currently recognizes eight men’s weight divisions.
Flyweight (125 pounds)
Flyweights are very fast, throwing quick combinations and never stop moving. Many of these fighters don’t rely on the power of their punches, but on precision striking and a relentless pace to overwhelm their opponents. Champions include Demetrious Johnson, Brandon Moreno, Deiveson Figueiredo and Alexandre Pantoja.
Bantamweight (135 pounds)
The bantamweight division is a fusion of speed and rising power. The fighters in this division often possess great footwork, technical striking and elite wrestling to create some of the most competitive championship fights in the promotion. And there are some notable champions like Dominick Cruz, Aljamain Sterling, Sean O’Malley and Merab Dvalishvili.
Featherweight (145 pounds)
The featherweights have explosive athleticism and high-level striking and grappling. The division has always been home to some of the UFC’s biggest stars and most memorable title fights. The legendary champions are José Aldo, Max Holloway, Alexander Volkanovski and Ilia Topuria.
Lightweight (155 pounds)
For many fans, lightweight is the UFC’s deepest and most talented division. Athletes in this class normally have complete skill sets that include striking, wrestling, submissions and great conditioning. Some of those former and current champions include BJ Penn, Khabib Nurmagomedov, Charles Oliveira, Islam Makhachev, and Ilia Topuria.
Welterweight (170 pounds)
Welterweights usually have a combination of size, athleticism and knockout power with good speed. This division has produced some of the longest reigning champions in the UFC. Some of the biggest names include Georges St-Pierre, Kamaru Usman, Leon Edwards, Belal Muhammad and Jack Della Maddalena.
Middleweight (185 pounds)
“Middleweight is where you get bigger guys who can end a fight with one blow and still have a technical arsenal. This division has been home to many legendary champions. Previous winners include Anderson Silva, Israel Adesanya, Sean Strickland and Dricus du Plessis.
Light Heavyweight (205 pounds)
Light heavyweight is where the power and explosive striking is. Fighters generally have fight-ending power, which makes this one of the most exciting MMA divisions in the UFC. Historic champions like Randy Couture, Chuck Liddell, Jon Jones, Daniel Cormier, Alex Pereira and Magomed Ankalaev.
Heavyweight (206–265 pounds)
Heavyweights are the largest fighters in the UFC. Their bouts often end in knockout thanks to the enormous power produced by athletes in this division. Some of the greats include Stipe Miocic, Cain Velasquez, Francis Ngannou, Jon Jones and Tom Aspinall.
Women’s UFC weight classes
The UFC currently features three active women’s divisions, each showcasing elite talent from around the world.
Strawweight (115 lbs)
The name of the game in strawweight is speed, technique and endurance. Champions such as Carla Esparza, Rose Namajunas, Zhang Weili and Joanna Jędrzejczyk made it one of the most exciting divisions in the promotion.
Flyweight (125 lbs)
The women’s flyweight division has been red hot with dominant champs and plenty of memorable title fights. The division’s global profile was elevated by Valentina Shevchenko’s title reign.
Bantamweight (135 lbs)
Women’s bantamweight brought a lot of fans to modern women’s MMA. Ronda Rousey, Amanda Nunes, Holly Holm, Julianna Peña and Kayla Harrison have been some of the most prominent names in the division’s history.
How fighters make weight
Before every UFC event, the fighters have to weigh in officially under the eye of athletic commissions. Many competitors lose body weight by carefully managing nutrition, hydration and conditioning in the days prior to the weigh-in. Once they’ve hit their official weight, fighters start rehydrating and recovering before stepping into the Octagon.
The weight-cutting process is a massive stress on the body and many teams now work with sports scientists and nutrition experts to ensure the process is as safe as possible.
Can fighters change weight classes?
Yes. Several UFC champions and contenders have competed in more than one division during their UFC careers. Some athletes drop down for size advantage, others move up to avoid tough weight cuts or to get more chances to fight for championships. To win titles in two divisions is one of the sport’s biggest achievements.
Champions such as Conor McGregor, Daniel Cormier, Amanda Nunes, Henry Cejudo, Alex Pereira and Jon Jones have all experienced success after moving divisions or winning titles in multiple weight classes.
Which UFC weight class is the most competitive?
There’s no black and white answer, but a few divisions always stand out. The lightweight division is often considered the deepest because it has so many elite contenders. Bantamweight has become the division of astonishing speed and technical excellence, and middleweight, welterweight and featherweight remain stacked with championship-level talent throughout the rankings.
But the heavyweight division remains one of the most unpredictable, as one punch can change the result of any fight.
Understanding UFC championship belts
Each division of the MMA has one undisputed champion who wears the championship belt for that division. When a champion can’t defend his title because of injury or inactivity, the UFC will often create an interim title to keep the division going.
Defending champions face the best contenders . The more they defend the belt the more it adds to a fighter ‘s legacy . Some of the best athletes to play the game became legends, not only for winning championships, but for defending them, over and over, against elite competition.
Why weight classes matter
Weight classes have made mixed martial arts one of the most competitive combat sports in the world. The system is not simply rewarding size, but letting the outcome be determined by speed, technique, strategy and conditioning.
Each division has its own unique personality, and thus provides fans with a variety of ways to fight. From the speed of the flyweights to the knockout power of the heavyweights, every UFC fighter fights under rules designed to make for fair and exciting contests.
