Cal Kostiniuk
“King of the Highway”
Standout achievements
Cal Kostiniuk is a Canadian mixed martial artist with a professional record of 6-4 across 10 bouts. They've won 5 by KO/TKO, 0 by submission and 1 by decision — a 83 % finish rate. Most wins come by KO/TKO. Currently on a 2-fight skid. Last competed February 2026 (active). Has fought most often in Canada (10 bouts).
Fight locations (4 venues)
Career timeline — fights by year
Frequently asked
What is Cal Kostiniuk's MMA record?
Cal Kostiniuk has a professional MMA record of 6-4 — 5 wins by KO/TKO, 0 by submission, 1 by decision.
How does Cal Kostiniuk usually win?
They most often win by KO/TKO (5 of 6 wins).
How does Cal Kostiniuk usually lose?
Most of Cal Kostiniuk's losses come by KO/TKO (3 of 4).
Is Cal Kostiniuk still active?
Cal Kostiniuk last competed in February 2026, and is considered active (no bout in over two years).
What is Cal Kostiniuk's fastest finish?
KO/TKO of Lorenzo Celis in 4:34 (Rd 1) at RITC - Rumble in the Cage 69.
Where is Cal Kostiniuk from?
Cal Kostiniuk is a Canadian mixed martial artist.
What is Cal Kostiniuk's longest MMA win streak?
Cal Kostiniuk's longest winning run on record is 3 straight victories.
Where does Cal Kostiniuk rank in MMA?
Cal Kostiniuk sits at #18,079 of 32,631 fighters in the Fight Forensics global MMA rankings.