Last fight · 29 Aug 2026
Loss vs Chantelle Cameron
UD · 10 · WBC and WBO world titles · Super welterweight
- Judge 1
- 93-97
- Judge 2
- 94-96
- Judge 3
- 93-97
Judges' scorecards (WBA record)
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United States · Welterweight
Mikaela Mayer
- 36 years old
- 5′9″
- WBO Champion
- Wins
- 22
- Losses
- 3
- Draws
- 0
- KOs
- 5
23% of wins inside the distance
Form
Fights
Before that
- WinMary Spencer30 Oct 2025 · WBC, WBA and WBO world titles · Super welterweightUD · 10
- WinSandy Ryan29 Mar 2025 · WBO world title · WelterweightUD · 10
- WinSandy Ryan27 Sept 2024 · WBO world title · WelterweightMD · 10
- LossNatasha Jonas20 Jan 2024 · IBF world title · WelterweightSD · 10
Show the next 5 fights
- WinSilvia Bortot2 Sept 2023PTS · 10
- WinLucy Wildheart15 Apr 2023 · WBC interim world title · LightweightUD · 10
- LossAlycia Baumgardner15 Oct 2022 · WBC, WBO, IBF and IBO world titles · Super featherweightSD · 10
- WinJennifer Han9 Apr 2022 · WBO and IBF world titles · Super featherweightUD · 10
- WinMaiva Hamadouche5 Nov 2021 · WBO and IBF world titles · Super featherweightUD · 10
15 older fights · BoxRec profile ↗
Rankings
Best: champion
- WBO
C
Champion
tracked since Sep 2026
Not ranked by the WBA, IBF or IBO.
Also ranked at Super welterweight · WBC No. 2
World titles
6 championship reigns · 4 sanctioning bodies · 3 weight classes
Super welterweight
- WBO2025 – 2026
Welterweight
- WBOsince 2024
Super featherweight
- IBF2021 – 2022
- WBO2020 – 2022
From 2020 to 2026.
Reigning
- WBOWelterweightsince 27 Sep 2024 · 2 years 1 month↗
Every date, reign by reign
Current titles: the sanctioning bodies' official rankings. History and dates: Wikipedia's lists of world champions (CC BY-SA 4.0), re-read every week.
Movement
Places gained or lost with each sanctioning body. Green is up, red is down, “New” marks an entry into the rankings, and a dot a period with no published archive.
| Body | The boxer's place in the sanctioning body's official ranking. “C”: world champion, above No. 1. An interim champion is marked as such (“Interim”, “Int.”): not the reigning champion. No. 1 is the leading contender for the title. | 1M | 3M | 6M | 1Y |
|---|---|---|---|---|---|
| WBO | C | · | · | · | · |
Trajectory, body by body
WBC
No. 2tracked since Sep 2026
WBO
Championtracked since Sep 2026
IBF
No longer ranked · best Champion (Nov 2021)tracked since Aug 2018
See the changes in detail
| Sep 2026 | No. 2 |
| Sep 2026 | Champion |
| Aug 2018 | No. 3 |
| Sep 2018 | No. 2 |
| Oct 2018 | No. 1 |
| Dec 2018 | dropped out of the ranking |
| Feb 2019 | No. 1 |
| Jul 2019 | dropped out of the ranking |
| Nov 2019 | No. 2 |
| Dec 2019 | dropped out of the ranking |
| Jan 2020 | No. 2 |
| Jul 2020 | dropped out of the ranking |
| Oct 2020 | No. 2 |
| Nov 2020 | dropped out of the ranking |
| Dec 2020 | No. 1 |
| Jan 2021 | dropped out of the ranking |
| Nov 2021 | Champion |
| Apr 2022 | dropped out of the ranking |
| Jul 2022 | Champion |
| Sep 2022 | dropped out of the ranking |
| Oct 2022 | No. 1 |
| Nov 2022 | dropped out of the ranking |
| Dec 2022 | No. 1 |
| Jan 2023 | dropped out of the ranking |
| Dec 2023 | No. 1 |
| Apr 2024 | dropped out of the ranking |
| Jun 2024 | No. 1 |
| Jul 2024 | dropped out of the ranking |