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Welterweight is a weight class division in combat sports. Originally the term "welterweight" was used only in boxing, but other combat sports like kickboxing, taekwondo and mixed martial arts also use it for their own weight division system. In most sports that use it, welterweight is heavier than lightweight but lighter than middleweight.


Commonwealth champions[edit]

Olympic champions[edit]

The current Olympic male welterweight division is set at 64–69 kg (141–152 lbs).[1]

Professional boxing[edit]

A welterweight boxer's weight is greater than 63.5 kg (140 lb), but not greater than 67 kg (147 lb).[2]

Henry Armstrong holds the record for most consecutive title defenses at this division, with 19 defenses of the Lineal title.

Current champions[edit]

Sanctioning Body Reign Began Champion Record Defenses
WBA May 3, 2014 United States Floyd Mayweather 46–0 (26 KO) 0
WBC September 17, 2011 United States Floyd Mayweather 46–0 (26 KO) 2
IBF December 7, 2013 United States Shawn Porter 24–0–1 (15 KO) 1
WBO April 12, 2014 Philippines Manny Pacquiao 56–5–2 (38 KO) 0


The weight division system is different in each organisation, so the kickboxing weight divisions of some international organizations vary:

Mixed martial arts[edit]

Main article: Welterweight (MMA)

The welterweight limit, as defined by the Nevada State Athletic Commission[7] and the Association of Boxing Commissions[8] is 155 pounds (70.3 kg) to 170 pounds (77.1 kg).

Muay Thai[edit]

Muay Thai has fixed its weight division similarly to boxing.

  • International Kickboxing Federation (IKF): Muay Thai Welterweight (Pro & Amateur) 142.1 lbs. - 147 lbs.(64.59 kg - 66.8 kg)
  • World Muay Thai Council (WMC), welterweight range is from 140 pounds (63.5 kg) to 147 pounds (66.6 kg)
  • World Muay Thai Federation (WMF), the official amateur organization, fixed welterweight from 63.5 to 67 kg for adult; the Junior category is the same as adult

Shoot boxing[edit]

The official rules of shoot boxing define welterweights as between 65 and 67 kg (143.3 to 147.7 lb).


In the sport of Olympic taekwondo, welterweight falls between 74 and 80 kg. At the weight classes for the Olympic games it is between 68 and 80 kg.

References and notes[edit]

  1. ^ "Classes & Divisions". HolyTrinityBoxing.com. Retrieved 17 April 2013. 
  2. ^ "Classes & Divisions". HolyTrinityBoxing.com. Retrieved 17 April 2013. 
  3. ^ "IKF WEIGHT CLASSES". IKFKickboxing.com. Retrieved 20 April 2013. 
  5. ^ "WKA USA - Official Rulebook". WKAUSA.com. Retrieved 20 April 2013. 
  7. ^ "Nevada Revised Statutes: CHAPTER 467 - UNARMED COMBAT". http://www.leg.state.nv.us. Retrieved 2007-02-20. 
  8. ^ "UNIFIED RULES OF MMA". ABCBoxing.com. Retrieved 2012-07-15.