Mikaela Joslin Mayer (born July 4, 1990) is an American professional boxer. She is a former unified super featherweight world champion, holding the WBO female title since 2020 and the IBF female title since November 2021, before losing both in October 2022. As an amateur she won a bronze medal at the 2012 World Championships and competed for the U.S. at the 2016 Olympics. As of February 2021, she is ranked as the world's second best active female super featherweight by BoxRec[2] and third by The Ring,[3] as well as the tenth best active female, pound for pound, by The Ring.[3]
Mikaela Mayer | |||||||||||||||
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Born | Mikaela Joslin Mayer July 4, 1990[1] Los Angeles, California, U.S. | ||||||||||||||
Nationality | American | ||||||||||||||
Statistics | |||||||||||||||
Weight(s) | |||||||||||||||
Height | 5 ft 9 in (175 cm)[1] | ||||||||||||||
Reach | 66+1⁄2 in (169 cm) | ||||||||||||||
Stance | Orthodox | ||||||||||||||
Boxing record | |||||||||||||||
Total fights | 21 | ||||||||||||||
Wins | 19 | ||||||||||||||
Wins by KO | 5 | ||||||||||||||
Losses | 2 | ||||||||||||||
Medal record
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Mayer competed internationally as part of Team USA in the women's 60 kg category at the 2016 Rio Summer Olympics.[4][5] She defeated Jennifer Chieng in the Round of 16 before being eliminated in the quarterfinal by Russian Anastasia Belyakova, who took a majority decision.[6]
After signing with Top Rank, Mayer made her debut in August 2017. She defeated Widnelly Figueroa by knockout in one round.
21 fights | 19 wins | 2 losses |
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By knockout | 5 | 0 |
By decision | 14 | 2 |
No. | Result | Record | Opponent | Type | Round, time | Date | Location | Notes |
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21 | Loss | 19–2 | Natasha Jonas | SD | 10 | Jan 20, 2024 | Echo Arena, Liverpool, England | For IBF female welterweight title |
20 | Win | 19–1 | Silvia Bortot | UD | 10 | 2 Sep 2023 | Manchester Arena, Manchester, England | |
19 | Win | 18–1 | Lucy Wildheart | UD | 10 | Apr 15, 2023 | Copper Box Arena, London, England | Won vacant WBC interim lightweight title |
18 | Loss | 17–1 | Alycia Baumgardner | SD | 10 | Oct 15, 2022 | O2 Arena, London, England | Lost WBO, IBF, and The Ring female super featherweight titles; For WBC female super featherweight title |
17 | Win | 17–0 | Jennifer Han | UD | 10 | Apr 9, 2022 | OC Fair & Event Center, Costa Mesa, California, U.S. | Retained WBO, IBF, The Ring female super featherweight titles |
16 | Win | 16–0 | Maïva Hamadouche | UD | 10 | Nov 5, 2021 | Virgin Hotels Las Vegas, Paradise, Nevada, U.S. | Retained WBO female super featherweight title; Won IBF and inaugural The Ring super featherweight titles |
15 | Win | 15–0 | Érica Farías | UD | 10 | Jun 19, 2021 | Virgin Hotels Las Vegas, Paradise, Nevada, U.S. | Retained WBO female super featherweight title |
14 | Win | 14–0 | Ewa Brodnicka | UD | 10 | Oct 31, 2020 | MGM Grand Conference Center, Paradise, Nevada, U.S. | Won vacant WBO female super featherweight title |
13 | Win | 13–0 | Helen Joseph | UD | 10 | Jul 14, 2020 | MGM Grand Conference Center, Paradise, Nevada, U.S. | |
12 | Win | 12–0 | Alejandra Soledad Zamora | RTD | 6 (10), 2:00 | Oct 26, 2019 | Reno-Sparks Convention Center, Reno, Nevada, U.S. | Retained WBC-NABF female super featherweight title |
11 | Win | 11–0 | Lizbeth Crespo | UD | 10 | Jun 15, 2019 | MGM Grand Garden Arena, Paradise, Nevada, U.S. | |
10 | Win | 10–0 | Yareli Larios | UD | 8 | Feb 15, 2019 | Grand Casino, Hinckley, Minnesota, U.S. | Retained WBC-NABF female super featherweight title |
9 | Win | 9–0 | Calista Silgado | UD | 8 | Dec 14, 2018 | American Bank Center, Corpus Christi, Texas, U.S. | Retained WBC-NABF female super featherweight title |
8 | Win | 8–0 | Vanessa Bradford | UD | 8 | Oct 13, 2018 | CHI Health Center, Omaha, Nebraska, U.S. | Won vacant WBC-NABF female super featherweight title |
7 | Win | 7–0 | Edina Kiss | TKO | 3 (6), 2:00 | Aug 25, 2018 | Gila River Arena, Glendale, Arizona, U.S. | |
6 | Win | 6–0 | Sheena Flamand | UD | 6 | Jun 30, 2018 | Chesapeake Energy Arena, Oklahoma City, Oklahoma, U.S. | |
5 | Win | 5–0 | Baby Nansen | UD | 6 | May 12, 2018 | Madison Square Garden, New York City, New York, U.S. | |
4 | Win | 4–0 | Maria Semertzoglou | KO | 1 (4), 0:35 | Mar 10, 2018 | StubHub Center, Carson, California, U.S. | |
3 | Win | 3–0 | Nydia Feliciano | MD | 4 | Dec 9, 2017 | The Theater at Madison Square Garden, New York City, New York, U.S. | |
2 | Win | 2–0 | Allison Martinez | TKO | 3 (4), 0:39 | Sep 22, 2017 | Convention Center, Tucson, Arizona, U.S. | |
1 | Win | 1–0 | Widnelly Figueroa | KO | 1 (4), 1:15 | Aug 5, 2017 | Microsoft Theater, Los Angeles, California, U.S. |
Between 2003 and 2005, Mayer played bass in a heavy metal band Lia-Fail; the band included Nita Strauss.[7][8]