
MMAUFCHeavyweightSouthpaw
Thomas Petersen
Thomas Petersen is a United States heavyweight who has fought in the UFC since 2024 and fights from the southpaw stance.
16 pro fights7 UFC fights
Updated
About Thomas Petersen
Thomas Petersen represents the United States and has fought at Heavyweight in the UFC since 2024, working from the southpaw stance. His first UFC fight came at UFC Fight Night: Dolidze vs. Imavov on Feb 3, 2024, where Jamal Pogues beat Petersen by unanimous decision.
Fight history7
Every UFC fight in our records, newest first.
| Date | Event | Opponent | Result | Method | Rd | Time |
|---|---|---|---|---|---|---|
| Jul 25, 2026 | UFC Fight Night: Ankalaev vs. Guskov | Valter Walker | L | Submission | 1 | 1:32 |
| Apr 4, 2026 | UFC Fight Night: Moicano vs. Duncan | Guilherme Pat | W | Decision (majority) | 3 | 5:00 |
| Oct 11, 2025 | UFC Fight Night: Oliveira vs. Gamrot | Vitor Petrino | L | KO/TKO | 3 | 0:26 |
| May 3, 2025 | UFC Fight Night: Sandhagen vs. Figueiredo | Don'Tale Mayes | W | Decision (unanimous) | 3 | 5:00 |
| Feb 1, 2025 | UFC Fight Night: Adesanya vs. Imavov | Shamil Gaziev | L | KO/TKO | 1 | 3:12 |
| Jul 20, 2024 | UFC Fight Night: Lemos vs. Jandiroba | Mohammed Usman | W | Decision (unanimous) | 3 | 5:00 |
| Feb 3, 2024 | UFC Fight Night: Dolidze vs. Imavov | Jamal Pogues | L | Decision (unanimous) | 3 | 5:00 |
How he is doing now
Next fight
| Petersen | Measure | Lourenco |
|---|---|---|
| 31 | Age | - |
| 11-5-0 | Pro record | 8-1-0 |
| 3-4 | UFC record | - |
| 6 ft 1 in | Height | 6 ft 3 in |
| 74 in | Reach | 76 in |
| Southpaw | Stance | Orthodox |
Career
- 2024UFC debutLost to Jamal Pogues
- Jul 25, 2026Latest fightLost to Valter Walker
How his UFC fights ended
3 wins
4 losses
Divisions
- Heavyweight: 3-42024 to 2026, 7 UFC fights
First UFC fight
Feb 3, 2024: lost to Jamal Pogues by unanimous decisionFight Night: Dolidze vs. Imavov, round 3, 5:00
Latest fight
Jul 25, 2026: lost to Valter Walker by submissionFight Night: Ankalaev vs. Guskov, round 1, 1:32
Sources and updates
Fights, records and schedules come from Agatha's own records: ESPN's fighter records and results, and the UFC fight history in our data.
Updated Nov 2, 2026, 7:45 AM ET. Results and form refresh after every fight; biography facts are checked weekly.

