Leah Letson was born on 21 August 1992 in Wisconsin, United States. Letson started martial arts at five, earning her 2nd degree Karate black belt at age eleven, and her third degree Taekwondo black belt at fourteen. Letson moved to Milwaukee to attend the University of Wisconsin–Milwaukee where she started kickboxing, then on the advice of her coaches Brazilian jiu-jitsu (BJJ). While at UW Letson enlisted in the Air National Guard in 2012 and after completing basic training she started training MMA.[4]
On November 9, 2013, she won her first amateur fight, a year later she had her first pro fight.[5]
Mixed martial arts career
Early career
After losing her debut via split decision against Christina Jobe at KOTC: Industrial Strength on November 22, 2014, Letson won her next 4 bouts, knocking out Shaena Cox in the second round, defeating Allanna Jones via unanimous decision, stopping Sarah Payan via TKO in the first round, culminating with a victory at Invicta FC 21, where Letson faced UFC veteran Elizabeth Phillips, knocking her out with a headkick in the first round.[6]
In the semi-finals, Letson faced Macy Chiasson.[9] She lost the bout by way of knockout in round one.[10]
In January 2018 the UFC offered her a contract.[2]
Letson was scheduled to face Sarah Moras on May 4, 2019, at UFC Fight Night 151.[12] However, Letson was removed from the fight in early April for an unspecified medical issue and replaced by Macy Chiasson.[13]
Leah enlisted with the Air National Guard at the age of 19, serving as a Command and Control Specialist with Volk Field Wisconsin. In 2017 she deployed to the middle east for 6.5 months. During that deployment she ran a jujitsu club teaching members from multiple branches and foreign militia the strategic art of jujitsu. In 2021 she transferred to the 128 Air Refueling Wing(ARW) in Milwaukee retraining as an Aircraft Metals Tech. After retiring from fighting in December 2022 she was quickly selected as a full time recruiter for the 128 ARW. When asked what inspired the career move she said “I can help change someone's life for the better and give them opportunities that they otherwise wouldn't have. It's extremely rewarding.”