Atomweight


Atomweight is a weight class in combat sports.

Boxing

In women's boxing and junior amateur boxing pinweight is, or has been, a weight class for boxers weighing in under .
In September 2010 the women's class in amateur boxing was partly merged into an extended 45–48 kg light flyweight division, with women weighing less than 45 kg excluded from competition. Pinweight is still defined for junior contests.

Women's Professional Champions

Current Champions
Sanctioning BodyReign BeganChampionRecordDefenses
WBASeptember 16, 2012 Ayaka Miyao20-5-1 5
WBCSeptember 22, 2018 Fabiana Bytyqi14-0-1 1
WBOMay 17, 2014 Nao Ikeyama16-3-1 2

Women's Amateur Champions

Mixed Martial Arts

The atomweight division in mixed martial arts generally refers to competitors weighing less than 105 lb.