Macy Chiasson
12–6–0 · Bantamweight · Age 35 · 14 UFC fights
Skill (today)
-1.40
Uncertainty (σ)
1.66
As of
2026-09-13
Skill trajectory
Line: estimated skill after each fight. Band: ±1σ uncertainty.
Fight ledger
| Date | Opponent | Result | Method | Event | Model P(win), pre-fight |
|---|---|---|---|---|---|
| 2026-02-28 | Ailín Pérez | Loss | U-DEC | UFC Fight Night | |
| 2025-10-04 | Yana Santos | Loss | U-DEC | UFC 320: Ankalaev vs. Pereira 2 | |
| 2025-05-31 | Ketlen Vieira | Loss | U-DEC | UFC Fight Night | |
| 2024-06-29 | Mayra Bueno Silva | Win | KO/TKO | UFC 303: Pereira vs. Procházka 2 | |
| 2024-03-16 | Pannie Kianzad | Win | SUB | UFC Fight Night | |
| 2022-09-10 | Irene Aldana | Loss | KO/TKO | UFC 279: Diaz vs. Ferguson | 54% |
| 2022-05-07 | Norma Dumont | Win | S-DEC | UFC 274: Oliveira vs. Gaethje | |
| 2021-12-18 | Raquel Pennington | Loss | SUB | UFC Fight Night | |
| 2021-03-20 | Marion Reneau | Win | U-DEC | UFC Fight Night | |
| 2020-02-15 | Shanna Young | Win | U-DEC | UFC on ESPN+ 25 | |
| 2019-09-28 | Lina Länsberg | Loss | U-DEC | UFC on ESPN+ 18 | |
| 2019-05-04 | Sarah Moras | Win | KO/TKO | UFC on ESPN+ 9 | |
| 2019-03-02 | Gina Mazany | Win | KO/TKO | UFC 235: Jones vs. Smith | |
| 2018-11-30 | Pannie Kianzad | Win | SUB | The Ultimate Fighter 28 Finale | |
| 2018-08-15 | Leah Letson | Win | TKO | The Ultimate Fighter Season 28 | |
| 2018-07-26 | Larissa Pacheco | Win | TKO | The Ultimate Fighter Season 28 | |
| 2018-05-04 | Allison Schmidt | Win | DEC | Invicta FC 29 | |
| 2017-10-21 | Miranda Dearing | Win | SUB | Caged Warrior Championship 16 |