KSW: Longest fights
The all-time KSW top 100, rebuilt from every completed KSW fight in our database.
Updated September 25, 2026
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 |
|---|---|---|---|---|---|
| 1 |   Valeriu Mircea | 17:40 | 4 | Leo BrichtaLightweight | Feb 17, 2024 |
| T-2 |   Raul Tutarauli | 15:00 | 3 | Donovan DesmaeLightweight | May 13, 2023 |
| T-2 |   Leo Brichta | 15:00 | 3 | Maciej KazieczkoLightweight | Jun 3, 2023 |
| T-2 | Valeriu Mircea | 15:00 | 3 | Roman SzymanskiLightweight | Jun 3, 2023 |
| T-2 |   Hugo Deux | 15:00 | 3 | Gino van SteenisLightweight | Jan 20, 2024 |
| T-2 |   Marcin Held | 15:00 | 3 | Roman SzymanskiLightweight | Jun 7, 2024 |
| T-2 |  Dawid Smielowski | 15:00 | 3 | Bartlomiej KoperaLightweight | Jul 20, 2024 |
| T-2 |  Krystian Blezien | 15:00 | 3 | Alvin LowenskiLightweight | Aug 24, 2024 |
| T-2 |  Alioune Nahaye | 15:00 | 3 | Eduard KexelLightweight | Dec 20, 2024 |
| T-2 |  Adam Soldaev | 15:00 | 3 | Daniel TarchilaLightweight | Jan 25, 2025 |
| T-2 |  Patryk Kaczmarczyk | 15:00 | 3 | Ahmed VilaLightweight | Jan 25, 2025 |
| T-2 |  Souheil Kaouchen | 15:00 | 3 | Oskar StachuraLightweight | May 10, 2025 |
| T-2 |  Wojciech Kazieczko | 15:00 | 3 | Dawid KaretaLightweight | Jul 19, 2025 |
| T-2 |  Josef Stummer | 15:00 | 3 | Eduard KexelLightweight | Aug 9, 2025 |
| T-2 |   Iras Khizriev | 15:00 | 3 | Oleksandr MoisaLightweight | Jan 17, 2026 |
| T-2 |  Kacper Formela | 15:00 | 3 | Krzysztof MendlewskiLightweight | Mar 14, 2026 |
| T-2 |  Piotr Kacprzak | 15:00 | 3 | Slimen HassainiLightweight | Jun 20, 2026 |
| T-2 | Kacper Formela | 15:00 | 3 | Leo BrichtaLightweight | Sep 19, 2026 |
| 19 | Leo Brichta | 14:50 | 3 | Roman SzymanskiLightweight | Oct 14, 2023 |
| 20 |  Robert Ruchala | 12:44 | 3 | Kacper FormelaLightweight | Nov 16, 2024 |
| 21 | Piotr Kacprzak | 12:19 | 3 | Julio Cesar Neves Jr.Lightweight | Jan 25, 2025 |
| 22 | Alioune Nahaye | 10:30 | 3 | Piotr KacprzakLightweight | May 10, 2025 |
| 23 | Hugo Deux | 9:59 | 2 | Welisson PaivaLightweight | Apr 18, 2026 |
| 24 |  Szymon Karolczyk | 9:54 | 2 | Artur KrawczykLightweight | Jan 20, 2024 |
| 25 |   Salahdine Parnasse | 8:54 | 2 | Marian ZiolkowskiLightweight | May 10, 2025 |
| 26 | Raul Tutarauli | 8:49 | 2 | Marcin HeldLightweight | Dec 16, 2023 |
| 27 | Salahdine Parnasse | 8:35 | 2 | Marcin HeldLightweight | Jan 17, 2026 |
| 28 |  Mateusz Makarowski | 8:07 | 2 | Welisson PaivaLightweight | Sep 20, 2025 |
| 29 |   Oleksandr Moisa | 7:44 | 2 | Wojciech KawaLightweight | Mar 14, 2026 |
| 30 |  Wilson Varela | 7:31 | 2 | Marian ZiolkowskiLightweight | Apr 6, 2024 |
| 31 |   Kristians Boguzs | 7:27 | 2 | Kacper FornalskiLightweight | Feb 21, 2026 |
| 32 | Oleksandr Moisa | 6:47 | 2 | Krystian BlezienLightweight | Sep 20, 2025 |
| 33 | Salahdine Parnasse | 6:00 | 2 | Wilson VarelaLightweight | Dec 20, 2024 |
| 34 | Valeriu Mircea | 5:50 | 2 | Roman SzymanskiLightweight | May 16, 2026 |
| 35 | Wilson Varela | 4:28 | 1 | Gracjan SzadzinskiLightweight | May 13, 2023 |
| 36 |  Kacper Fornalski | 4:09 | 1 | Aleksander BudzilekLightweight | Sep 14, 2024 |
| 37 | Salahdine Parnasse | 4:00 | 1 | Valeriu MirceaLightweight | Apr 6, 2024 |
| 38 |  Nacim Belhouachi | 3:45 | 1 | Damien PeltierLightweight | Dec 20, 2024 |
| 39 | Josef Stummer | 2:02 | 1 | Nacim BelhouachiLightweight | Feb 21, 2025 |
| 40 |  Igor Wlodarczyk | 1:51 | 1 | Artur KrawczykLightweight | Dec 20, 2025 |
| 41 | Piotr Kacprzak | 1:18 | 1 | Adam BryszLightweight | Feb 24, 2024 |
| 42 | Wilson Varela | 0:16 | 1 | Sebastian RajewskiLightweight | Dec 16, 2023 |
This board ranks single performances, not fighters — one fighter can hold more than one row.