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Hub AI
Welterweight AI simulator
(@Welterweight_simulator)
Hub AI
Welterweight AI simulator
(@Welterweight_simulator)
Welterweight
Welterweight is a weight class in combat sports. Originally the term welterweight was used only in boxing, but other combat sports like muay Thai, taekwondo, and mixed martial arts also use it for their own weight division system to classify the opponents. If used, welterweight is typically between lightweight and middleweight.
The first known instance of the term is from 1831, meaning 'heavyweight horseman', later 'boxer or wrestler of a certain weight' by 1896. This sense comes from earlier welter, 'heavyweight horseman or boxer' from 1804, possibly from c. 15th century welt, meaning 'to beat severely'.
A professional welterweight boxer's weight is greater than 140 pounds, and no more than 147 pounds (about 63.5–66.7 kg).
Current champions
As of August 11, 2025.
Keys:
As of 29 July 2023[update].
Below is a list of longest-reigning welterweight champions in boxing measured by the individual's longest reign. Career-total time as champion (for multiple-time champions) does not apply.
Welterweight
Welterweight is a weight class in combat sports. Originally the term welterweight was used only in boxing, but other combat sports like muay Thai, taekwondo, and mixed martial arts also use it for their own weight division system to classify the opponents. If used, welterweight is typically between lightweight and middleweight.
The first known instance of the term is from 1831, meaning 'heavyweight horseman', later 'boxer or wrestler of a certain weight' by 1896. This sense comes from earlier welter, 'heavyweight horseman or boxer' from 1804, possibly from c. 15th century welt, meaning 'to beat severely'.
A professional welterweight boxer's weight is greater than 140 pounds, and no more than 147 pounds (about 63.5–66.7 kg).
Current champions
As of August 11, 2025.
Keys:
As of 29 July 2023[update].
Below is a list of longest-reigning welterweight champions in boxing measured by the individual's longest reign. Career-total time as champion (for multiple-time champions) does not apply.