Longest fights
The all-time top 100, ranked across every MMA promotion we track and rebuilt from every completed fight in our database.
Updated September 25, 2026
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A fighter with a bout in the last 18 months. Country boards rank every fighter from that country and cannot be combined with the active filter.
| # | Fighter | Longest fights | Round | Fight | Date |
|---|---|---|---|---|---|
| T-1 |   Norma Dumont | 25:00 | 5 | Aspen LaddWomen's Featherweight | Oct 16, 2021 |
| T-1 |  Amanda Nunes | 25:00 | 5 | Felicia SpencerWomen's Featherweight | Jun 7, 2020 |
| T-1 |  Cristiane Justino | 25:00 | 5 | Holly HolmWomen's Featherweight | Dec 30, 2017 |
| T-1 |   Germaine de Randamie | 25:00 | 5 | Holly HolmWomen's Featherweight | Feb 12, 2017 |
| T-5 |  Ketlen Vieira | 15:00 | 3 | Macy ChiassonWomen's Featherweight | Jun 1, 2025 |
| T-5 |   Holly Holm | 15:00 | 3 | Megan AndersonWomen's Featherweight | Jun 9, 2018 |
| T-5 |   Joselyne Edwards | 15:00 | 3 | Ramona PascualWomen's Featherweight | Jun 12, 2022 |
| T-5 |  Josiane Nunes | 15:00 | 3 | Zarah FairnWomen's Featherweight | Jan 22, 2023 |
| T-5 | Norma Dumont | 15:00 | 3 | Danyelle WolfWomen's Featherweight | Sep 11, 2022 |
| T-5 | Norma Dumont | 15:00 | 3 | Chelsea ChandlerWomen's Featherweight | Jul 16, 2023 |
| T-5 |  Karol Rosa | 15:00 | 3 | Yana SantosWomen's Featherweight | Jul 1, 2023 |
| T-5 | Norma Dumont | 15:00 | 3 | Karol RosaWomen's Featherweight | Apr 22, 2023 |
| T-5 | Josiane Nunes | 15:00 | 3 | Ramona PascualWomen's Featherweight | Feb 27, 2022 |
| T-5 |  Macy Chiasson | 15:00 | 3 | Norma DumontWomen's Featherweight | May 8, 2022 |
| T-5 | Norma Dumont | 15:00 | 3 | Felicia SpencerWomen's Featherweight | May 22, 2021 |
| T-5 | Cristiane Justino | 15:00 | 3 | Felicia SpencerWomen's Featherweight | Jul 28, 2019 |
| T-5 |  Leah Letson | 15:00 | 3 | Julija StoliarenkoWomen's Featherweight | Dec 1, 2018 |
| T-5 |  Danyelle Wolf | 15:00 | 3 | Taneisha TennantWomen's Featherweight | Sep 15, 2020 |
| 19 |   Felicia Spencer | 14:25 | 3 | Leah LetsonWomen's Featherweight | Nov 13, 2021 |
| 20 | Cristiane Justino | 11:56 | 3 | Tonya EvingerWomen's Featherweight | Jul 30, 2017 |
| 21 |   Stephanie Egger | 9:54 | 2 | Ailin PerezWomen's Featherweight | Sep 3, 2022 |
| 22 |  Raquel Pennington | 8:07 | 2 | Macy ChiassonWomen's Featherweight | Dec 19, 2021 |
| 23 |   Megan Anderson | 3:57 | 1 | Zarah FairnWomen's Featherweight | Oct 6, 2019 |
| 24 | Felicia Spencer | 3:37 | 1 | Zarah FairnWomen's Featherweight | Mar 1, 2020 |
| 25 | Megan Anderson | 3:31 | 1 | Norma DumontWomen's Featherweight | Mar 1, 2020 |
| 26 | Cristiane Justino | 3:25 | 1 | Yana SantosWomen's Featherweight | Mar 3, 2018 |
| 27 | Felicia Spencer | 3:24 | 1 | Megan AndersonWomen's Featherweight | May 19, 2019 |
| 28 | Amanda Nunes | 2:03 | 1 | Megan AndersonWomen's Featherweight | Mar 7, 2021 |
| 29 | Megan Anderson | 1:01 | 1 | Cat ZinganoWomen's Featherweight | Dec 30, 2018 |
| 30 | Amanda Nunes | 0:51 | 1 | Cristiane JustinoWomen's Featherweight | Dec 30, 2018 |
Ranked across every MMA promotion we track. BKFC is bare-knuckle boxing — two-minute rounds, and a punch count that is not a significant-strike count — so it is ranked only on its own boards.
This board ranks single performances, not fighters — one fighter can hold more than one row.