Stefan Leko

Stefan Leko is one of those fighters who quietly built a resume that should make him way more famous than he is. Born in Bosnia, competing out of Germany, and somehow dominating an era of K-1 that was absolutely stacked with world-class heavyweights — this guy won the K-1 European Grand Prix in 1998, took the 1999 K-1 Dream title, and won the K-1 World Grand Prix in Las Vegas not once but twice. He held alphabet-soup belts across WKA, WKN, IKBO, IKBF, and Muay Thai super-heavyweight divisions. At 187 cm he wasn't the biggest man in the room, but he had the kind of technical precision you get from a karate base mixed with real striking power. He's the definition of a cult hero in the combat sports world — not flashy enough for casual fans, but serious fighters know exactly who he is.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Name (English)

Stefan Leko

Name (Japanese)

ステファン・レコ

Reading

すてふぁん・れこ

Born

June 3, 1974 (age 52)

Origin

Buna, Herzegovina-Neretva Canton, Bosnia and Herzegovina

Height

187 cm

Occupation

kickboxer / karateka / Thai boxer

Zodiac / Chinese zodiac

Gemini / Tiger

• Instagramhttps://www.instagram.com/stefanblitzleko/
• Wikipedia (English)https://en.wikipedia.org/wiki/Stefan%20Leko
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E3%82%B9%E3%83%86%E3%83%95%E3%82%A1%E3%83%B3%E3%83%BB%E3%83%AC%E3%82%B3
• Wikidatahttps://www.wikidata.org/wiki/Q64826

Tags

• Herzegovina-Neretva Canton
• kickboxer
• karateka
• Thai boxer

Last updated

October 18, 2026

Only publicly available facts are listed; non-public or unconfirmed items are omitted. Base data was compiled from Wikidata from June 2026 onward; ages are recalculated daily and deaths are checked against Wikidata on an ongoing basis. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.