Mikaela Mayer
Junior Middleweight (154 lbs)
23
Wins
2
Losses
0
Draws
5
KOs
Age
35
Height
5′9″
Reach
66½″
Stance
Orthodox
Hometown
Los Angeles, California, USA
Country
United States
Age
35
Height
5′9″
Reach
66½″
Stance
Orthodox
Hometown
Los Angeles, California, USA
Country
United States
Mayer, a 2016 U.S. Olympian, jumped out to a 17-0 record to begin her pro career while winning a pair of junior lightweight world titles and becoming a pound-for-pound mainstay. Mayer lost her perfect record in a debated 2022 split decision loss to Alycia Baumgardner in a bid for the undisputed junior lightweight title.
In January 2024, she lost a highly disputed split decision to IBF champion Natasha Jonas. While a Jonas rematch did not materialize, Mayer seized her second opportunity...
92%
Win rate
20%
KO rate
2017
Turned Pro
Events
Past
Fight history
Result | Rec | Opponent | Date | Method | Round | Time | Notes |
|---|---|---|---|---|---|---|---|
Win | 10-2-0 | Mary Spencer | Oct 30, 2025 | UD | 10 | - | WBO World Super Welterweight, WBC World Super Welterweight |
Win | 7-2-1 | Sandy Ryan | Mar 29, 2025 | UD | 10 | - | WBO World Welterweight |
Win | 7-1-1 | Sandy Ryan | Sep 27, 2024 | MD | 10 | - | WBO World Welterweight |
Lose | 14-2-1 | Natasha Jonas | Jan 20, 2024 | SD | 10 | - | IBF World Welterweight |
Win | 11-2-1 | Silvia Bortot | Sep 2, 2023 | PTS | 10 | - | - |
Win | 10-1-0 | Lucy Wildheart | Apr 15, 2023 | UD | 10 | - | WBC Interim World Lightweight |
Lose | 12-1-0 | Alycia Baumgardner | Oct 15, 2022 | SD | 10 | - | IBF, IBO, WBC, WBO World Junior Lightweight |
Win | 18-4-1 | Jennifer Han | Apr 9, 2022 | UD | 10 | - | IBF World Junior Lightweight, WBO World Junior Lightweight |
Result
Rec
10-2-0
Opponent
Mary Spencer
Date
Oct 30, 2025
Method
UD
Round
10
WBO World Super Welterweight, WBC World Super Welterweight
Result
Rec
7-2-1
Opponent
Sandy Ryan
Date
Mar 29, 2025
Method
UD
Round
10
WBO World Welterweight
Result
Rec
7-1-1
Opponent
Sandy Ryan
Date
Sep 27, 2024
Method
MD
Round
10
WBO World Welterweight
