Standout achievements
Simon Seiler is a Danish mixed martial artist with a professional record of 7-4-1 across 12 bouts. They've won 1 by KO/TKO, 6 by submission and 0 by decision — a 100 % finish rate. Most wins come by submission. Currently on a 2-fight win streak. Last competed February 2026 (active). Has fought most often in Denmark (4 bouts).
Career timeline — fights by year
Frequently asked
What is Simon Seiler's MMA record?
Simon Seiler has a professional MMA record of 7-4-1 — 1 wins by KO/TKO, 6 by submission, 0 by decision.
How does Simon Seiler usually win?
They most often win by submission (6 of 7 wins).
How does Simon Seiler usually lose?
Most of Simon Seiler's losses come by KO/TKO (2 of 4).
Is Simon Seiler still active?
Simon Seiler last competed in February 2026, and is considered active (no bout in over two years).
What is Simon Seiler's fastest finish?
submission of Mikkel Hennings in 0:44 (Rd 1) at MMA Galla - Vol. 22.
Where is Simon Seiler from?
Simon Seiler is a Danish mixed martial artist.
What is Simon Seiler's longest MMA win streak?
Simon Seiler's longest winning run on record is 3 straight victories.
Where does Simon Seiler rank in MMA?
Simon Seiler sits at #13,121 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (12)
Amateur (2)
Amateur bouts — not counted toward the pro record.