K-1 Revenge will take place on Sunday, May 31, 2026! You can catch all the live Kickboxing action at Korakuen Hall in Tokyo, Japan! Expect an elite tournament format showcasing some of the most dangerous heavyweight strikers in the sport.
The K-1 World Grand Prix is the promotion’s flagship tournament, historically centered around heavyweight competition. It is known for its bracket-style format, where fighters compete multiple times across a single event or series to determine a winner. The Grand Prix helped define K-1’s legacy by producing iconic moments and establishing a global standard for heavyweight kickboxing.