Thomas Petersen
USAThomas Petersen, “The Train”, is a Heavyweight from the United States with an official record of 11-5. The 11 wins came 7 by knockout, 1 by submission and 3 by decision. The most recent bout on file is a first-round submission loss to Valter Walker at UFC Fight Night: Ankalaev vs. Guskov on 25 July 2026.
| Date | Opponent | Result | Method | Round | Event |
|---|---|---|---|---|---|
| Nov 7, 2026 | Gabriel Lorenço | Upcoming | — | — | UFC Fight Night: Cortes Acosta vs. Walker |
| Jul 25, 2026 | Valter Walker | LOSS | SUBCalf Slicer | R1 · 1:32 | UFC Fight Night: Ankalaev vs. Guskov |
| Apr 4, 2026 | Guilherme Pat | WIN | DECDecision | R3 · 5:00 | UFC Fight Night: Moicano vs. Duncan |
| Oct 11, 2025 | Vitor Petrino | LOSS | KOPunch | R3 · 0:26 | UFC Fight Night: Oliveira vs. Gamrot |
| May 3, 2025 | Don'Tale Mayes | WIN | DECDecision | R3 · 5:00 | UFC Fight Night: Sandhagen vs. Figueiredo |
| Feb 1, 2025 | Shamil Gaziev | LOSS | KOPunch | R1 · 3:12 | UFC Fight Night: Adesanya vs. Imavov |
| Jul 20, 2024 | Mohammed Usman | WIN | DECDecision | R3 · 5:00 | UFC Fight Night: Lemos vs. Jandiroba |
| Feb 3, 2024 | Jamal Pogues | LOSS | DECDecision - Unanimous | R3 | Road to UFC: Season 2 Finals |
| Aug 30, 2023 | Chandler Cole | WIN | SUBKeylock | R2 · 1:08 | Dana White's Contender Series: Season 7, Week 4 |
| Jan 14, 2023 | Richard Foster | WIN | KOKO/TKO | R1 | LFA 150: Farias vs. Sweeney |
| Sep 17, 2022 | Kory Moegenburg | WIN | KOKO/TKO | R2 | LFA 142: Amorim vs. Nichols |
| Apr 16, 2022 | Waldo Cortes AcostaTitle | LOSS | KOKO/TKO | R3 | LFA 129: Petersen vs. Cortes-Acosta |
| Jul 31, 2021 | Vernon LewisTitle | WIN | KOKO/TKO | R1 | LFA 113: Lewis vs. Petersen |
| Apr 17, 2021 | Odell Pantin | WIN | KOKO/TKO | R1 | LFA 104: McKenzie vs. Phillips |
| Jan 16, 2021 | Richard Luis | WIN | KOKO/TKO | R1 | LFA 97: Browne vs. Estrazulas |
| Feb 22, 2020 | Brian Peterson | WIN | KOKO/TKO | R1 | LFA 82: Polizzi vs. Pogues |
| Dec 21, 2019 | BJ Lacy | WIN | KOKO/TKO | R1 | Driller Promotions: Mecca 16 |
| — | Richard Foster | WIN | — | — | — |
| — | Kory Moegenburg | WIN | — | — | — |
| — | Waldo Cortes Acosta | LOSS | — | — | — |
| — | Vernon Lewis | WIN | — | — | — |
| — | Odell Pantin | WIN | — | — | — |
| — | Richard Luis | WIN | — | — | — |
| — | Brian Peterson | WIN | — | — | — |
Wins, losses and draws are Thomas Petersen’s official record. Everything else is counted from the 16 bouts we hold a full result for — method, round and time. Per-fight striking and grappling statistics are not published in our data source, so they are not shown.
Thomas Petersen’s record, in numbers
Thomas Petersen’s record is 11-5, and Cage Brothers holds a full result for all 16 bouts in it. Every figure below is counted from them.
The 11 wins break down as 7 by knockout, 1 by submission and 3 by decision — 8 of 11 inside the distance, a finish rate of 73%. Across all 16 bouts with a recorded finishing round, the average bout lasted 5 minutes 42 seconds.
Thomas Petersen has been stopped 4 times in the 16 bouts on file — 3 by knockout and 1 by submission — which is 25% of them.
Of the 16 bouts Cage Brothers holds a result for, 2 were for a title. Five of them have come since September 2024.
Set against the 486 Heavyweight fighters Cage Brothers holds eight or more bouts for, Thomas Petersen has a finish rate above 42% of them, a record of avoiding stoppage above 36% of them and a two-year bout count above 94% of them. The comparison is made inside the division rather than across the whole roster, because how often a division finishes depends heavily on what it weighs.
Thomas Petersen is listed at 6ft 1in with a reach of 74in, fights southpaw and is 31, born 30 March 1995.
These figures are recomputed from Thomas Petersen’s bout history each time results are synced, so they follow the record rather than a fixed snapshot.