Thomas Petersen
“ The Train ”
Standout achievements
Thomas Petersen is an American mixed martial artist with a professional record of 11-4 across 15 bouts. They've won 7 by KO/TKO, 1 by submission and 3 by decision — a 73 % finish rate. Most wins come by KO/TKO. Last competed April 2026 (active). Has fought most often in United States (17 bouts).
Fight locations (8 venues)
Career timeline — fights by year
Frequently asked
What is Thomas Petersen's MMA record?
Thomas Petersen has a professional MMA record of 11-4 — 7 wins by KO/TKO, 1 by submission, 3 by decision.
How does Thomas Petersen usually win?
They most often win by KO/TKO (7 of 11 wins).
How does Thomas Petersen usually lose?
Most of Thomas Petersen's losses come by KO/TKO (3 of 4).
Is Thomas Petersen still active?
Thomas Petersen last competed in April 2026, and is considered active (no bout in over two years).
What is Thomas Petersen's fastest finish?
KO/TKO of Richard Luis in 0:19 (Rd 1) at LFA 97 - Browne vs. Estrazulas.
Where is Thomas Petersen from?
Thomas Petersen is a American mixed martial artist.
What is Thomas Petersen's longest MMA win streak?
Thomas Petersen's longest winning run on record is 5 straight victories.
Where does Thomas Petersen rank in MMA?
Thomas Petersen sits at #5,466 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (15)
Amateur (4)
Amateur bouts — not counted toward the pro record.