Atomweight (also referred to as light minimumweight, junior strawweight, junior mini-flyweight and pinweight) is a
weight class
Weight classes are divisions of competition used to match competitors against others of their own size. Weight classes are used in a variety of sports including Rowing (sport), rowing, Weightlifting#Weightlifting sports, weight lifting, and especi ...
in
combat sport
A combat sport, or fighting sport, is a contact sport that usually involves one-on-one combat. In many combat sports, a contestant wins by scoring more points than the opponent, submitting the opponent with a hold, disabling the opponent (''knock ...
s.
Boxing
In
women's boxing
Although women have participated in boxing for almost as long as the sport has existed, female fights have been effectively outlawed for most of boxing's history until recently, with athletic commissioners refusing to sanction or issue licenses ...
and junior
amateur boxing
Amateur boxing is the variant of boxing practiced in clubs and associations around the world, at the Olympic Games, Pan American Games and Commonwealth Games, as well as at the varsity sports, collegiate level.
Amateur boxing bouts comprise three ...
pinweight is, or has been, a
weight class
Weight classes are divisions of competition used to match competitors against others of their own size. Weight classes are used in a variety of sports including Rowing (sport), rowing, Weightlifting#Weightlifting sports, weight lifting, and especi ...
for boxers weighing in under (before 2003, 45 kg).
In September 2010 the women's class in
amateur boxing
Amateur boxing is the variant of boxing practiced in clubs and associations around the world, at the Olympic Games, Pan American Games and Commonwealth Games, as well as at the varsity sports, collegiate level.
Amateur boxing bouts comprise three ...
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
(Last updated on July 1, 2025)
Current ''The Ring'' world rankings
As of July 1, 2025.
Keys:
: Current ''
The Ring The Ring may refer to:
Arts and entertainment
*The Ring (franchise), ''The Ring'' (franchise), a Japanese horror media franchise
Literature
* ''The Ring'', a 1967 novel by Richard Chopping
* ''The Ring'', a 1988 book by Daniel Keys Moran
* ''The R ...
'' world champion
Women's Amateur Champions
Mixed Martial Arts
The atomweight division in
mixed martial arts
Mixed martial arts (MMA) is a full-contact fighting combat sport, sport based on strike (attack), striking and grappling; incorporating techniques from various combat sports from around the world.
In the early 20th century, various inter-s ...
generally refers to competitors weighing less than 105
lb.
See also
*
Strawweight
Mini flyweight, also known as paperweight, minimumweight, strawweight, or super atomweight, is a weight class in combat sports.
Boxing
In professional boxing, boxers in the minimumweight division may weigh no more than . This is a relatively new ...
*
List of current female world boxing champions
A list is a set of discrete items of information collected and set forth in some format for utility, entertainment, or other purposes. A list may be memorialized in any number of ways, including existing only in the mind of the list-maker, bu ...
References
External links
* Coming into effect September 2010
AIBA, Technical & Competition Rules 2011, Appendix K* In effect 2002–August 2010
AIBA, Technical & Competition Rules, Rule VIb
{{Boxing weight classes
Boxing weight classes
Women's boxing