Reference articles on history, science, culture and more
Encyclopedia

Lightweight

Weight class in combat sports

Lightweight is a weight class in combat sports and rowing.

01Boxing

Professional boxing

The lightweight division is over 130 pounds (59 kilograms) and up to 135 pounds (61.2 kilograms) weight class in the sport of boxing. Notable lightweight boxers include Henry Armstrong, Ken Buchanan, Tony Canzoneri, Pedro Carrasco, Joel Casamayor, Al "Bummy" Davis, Oscar De La Hoya, Roberto Durán, Joe Gans, Artur Grigorian, Benny Leonard, Ray Mancini, Floyd Mayweather Jr., Juan Manuel Márquez, Sugar Shane Mosley, Miguel Ángel González, Carlos Ortiz, Katie Taylor, Edwin Valero, Len Wickwar, Pernell Whitaker, Manny Pacquiao and Ike Williams.

Current world champions

Sanctioning body Reign began Champion Record Defenses
WBA vacant
WBC Aug 1, 2026 William Zepeda 34-1 (27 KO)
IBF June 9, 2025 Raymond Muratalla 24-0 (17 KO) 2
WBO November 22, 2025 Abdullah Mason 20-0 (17 KO) 0

Current world rankings

The Ring

As of February 1, 2026.

Keys:

 C  Current The Ring world champion
Rank Name Record Title(s)
C vacant
1 Shakur Stevenson 25-0 (11 KO) WBC
2 Raymond Muratalla 24-0 (17 KO) IBF
3 Gervonta Davis 30-0-1 (28 KO) WBA
4 William Zepeda 33-1 (27 KO)
5 Andy Cruz 6-1 (3 KO)
6 Abdullah Mason 20-0 (17 KO) WBO
7 Floyd Schofield 19-0 (13 KO)
8 Denys Berinchyk 19-1 (9 KO)
9 Sam Noakes 17-1 (15 KO)
10 Lucas Bahdi 20-0 (15 KO)
BoxRec

As of May 19, 2025.

Rank Name Record Title(s)
1 Gervonta Davis 30-0-1 (28 KO) WBA
2 Shakur Stevenson 23-0 (11 KO) WBC
3 Raymond Muratalla 23-0 (17 KO)
4 William Zepeda Segura 33-0 (27 KO)
5 Keyshawn Davis 13-0-0-1 (9 KO)
6 Lamont Roach Jr. 25-1-2 (10 KO)
7 Zaur Abdullaev 20-2 (12 KO)
8 Sam Noakes 17-0 (15 KO)
9 Abdullah Mason 20-0 (17 KO)
10 Jadier Herrera 17-0 (15 KO)

Longest reigning world lightweight champions

Below is a list of "longest reigning lightweight champions" career time as champion (for multiple time champions) does not apply.

NameTitle ReignTitle recognitionSuccessful defensesBeaten opponentsFights
1.Benny Leonard7 years, 7 months, 17 daysWorld66
2.Artur Grigorian7 years, 6 months, 20 daysWBO1717
3.Jack McAuliffe6 years, 7 months, 12 daysWorld76
4.Roberto Durán6 years, 7 months, 5 daysWBA, WBC1211
5.Ike Williams6 years, 1 month, 7 daysWorld86
6.Joe Gans6 years, 27 daysWorld1513
7.Joe Brown5 years, 7 months, 27 daysWorld1110
8.Devin Haney4 years, 1 month, 7 daysWBA, WBC, IBF, WBO76
9.Miguel Vazquez4 years, 29 daysIBF66
10.Sammy Mandell4 years, 14 daysNBA44
11.Paul Spadafora3 years, 10 monthsIBF88

Amateur boxing

Olympic Champions

Men's

Pan American Champions

02Kickboxing

International Kickboxing Federation (IKF) Lightweight (Pro & Amateur) 127.1 lb - 132 lb or 57.77 kg - 60 kg. Women's divisions also use this weight class, but usually at a lower weight than the men's divisions. In Glory promotion, a lightweight division is up to 70 kg (154 lb).

In ONE Championship, the lightweight division limit is 77.1 kg (170 lb).

03Bare-knuckle boxing

The limit for lightweight generally differs among promotions in bare-knuckle boxing:

  • In Bare Knuckle Fighting Championship, the lightweight division has an upper limit of 155 lb (70 kg).
  • In BKB™, the lightweight division has an upper limit of 79 kg (174 lb).

04Lethwei

In World Lethwei Championship, the lightweight division has an upper limit of 60 kg (132 lb).

05Mixed martial arts

In MMA, the lightweight division is from 146 lb (66 kg) to 155 lb (70 kg).

06Rowing

At the international level, for crew boats, the limits are:

  • Men: Crew average 70 kg (154.3 lb), no rower over 72.5 kg (159.8 lb)
  • Women: Crew average 57 kg (125.7 lb), no rower over 59 kg (130.1 lb)

For single sculls, the limits are 72.5 kg (159.8 lb) for men and 59 kg (130.1 lb) for women.

Originally, lightweight rowing was an introduced as a category at the 1996 Summer Olympics, due to countries with athletes of smaller average stature competing with an unfair disadvantage, as rowing favors taller athletes who have more leverage.

Current Olympic-class lightweight events in rowing are the men's lightweight double sculls, and the women's lightweight double sculls. From 1996 to 2016, there was also the men's lightweight coxless four event.

07Sumo

In amateur sumo competitions sanctioned by the International Sumo Federation, the lightweight class is defined as no heavier than 85 kg (187.4 lb) for men, 80 kg (176.4 lb) for boys, 65 kg (143.3 lb) for women, and 60 kg (132.3 lb) for girls.

Watch videos about LightweightExplainers and documentaries on YouTube (opens in a new tab)

Sources and credits

This article is adapted from the Wikipedia article Lightweight, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

Fathomly is not affiliated with or endorsed by the Wikimedia Foundation. Spotted a problem? Tell us.