2018 in K-1

The year 2018 was the 25th year in the history of the K-1, a Japanese kickboxing promotion. The year started with K-1: K’Festa 1.

K-1 World GP 2018: K'FESTA.1
K-1 World GP 2018: K'FESTA.1 was a kickboxing event held by K-1 on March 21, 2018 at the Saitama Super Arena in Saitama, Japan.

Background
This event features six world title fights and an 8-Man Super Featherweight Tournament.

Wei Rui, came overweight at the weigh-ins and his title was vacated. By winning Koya Urabe was eligible for the title while Wei Rui was ineligible and in case of him winning the title would have become vacant.

K-1 World GP 2018: 2nd Featherweight Championship Tournament
K-1 World GP 2018: 2nd Featherweight Championship Tournament will be a kickboxing event held by K-1 on June 17, 2018 at the Saitama Super Arena in Saitama, Japan.

Background
This event will feature an 8-Man Featherweight Tournament.

K-1 World GP 2018: inaugural Cruiserweight Championship Tournament
K-1 World GP 2018: inaugural Cruiserweight Championship Tournament will be a kickboxing event held by K-1 on September 24, 2018 at the Saitama Super Arena in Saitama, Japan.

Background
This event will feature an 8-Man Cruiserweight Tournament.

K-1 World GP 2018: 3rd Super Lightweight Championship Tournament
K-1 World GP 2018: 3rd Super Lightweight Championship Tournament will be a kickboxing event held by K-1 on November 3, 2018 at the Saitama Super Arena in Saitama, Japan.

Background
This event will feature an 8-Man Super Lightweight Tournament.

K-1 World GP 2018: K-1 Lightweight World's Strongest Tournament
K-1 World GP 2018: K-1 Lightweight World's Strongest Tournament was a kickboxing event held by K-1 on December 8, 2018 at the Edion Arena Osaka in Osaka, Japan.

Background
This event will feature an 8-Man Lightweight Tournament.