Standout achievements
Marek Kostak is a Czech mixed martial artist with a professional record of 5-4 across 9 bouts. They've won 4 by KO/TKO, 0 by submission and 1 by decision — a 80 % finish rate. Most wins come by KO/TKO. Currently on a 3-fight win streak. Last competed March 2026 (active). Has fought most often in Czech Republic (3 bouts).
Career timeline — fights by year
Frequently asked
What is Marek Kostak's MMA record?
Marek Kostak has a professional MMA record of 5-4 — 4 wins by KO/TKO, 0 by submission, 1 by decision.
How does Marek Kostak usually win?
They most often win by KO/TKO (4 of 5 wins).
How does Marek Kostak usually lose?
Most of Marek Kostak's losses come by decision (4 of 4).
Is Marek Kostak still active?
Marek Kostak last competed in March 2026, and is considered active (no bout in over two years).
What is Marek Kostak's fastest finish?
KO/TKO of Oseas Cruz Furtado in 0:12 (Rd 1) at HG - Heroes Gate 32.
Where is Marek Kostak from?
Marek Kostak is a Czech mixed martial artist.
What is Marek Kostak's longest MMA win streak?
Marek Kostak's longest winning run on record is 3 straight victories.
Where does Marek Kostak rank in MMA?
Marek Kostak sits at #16,813 of 32,631 fighters in the Fight Forensics global MMA rankings.