Karim is a skilled grabbler with a very good technic. He is in excellent physical condition and is always well prepared.

Karim competed at Vikingfight I in a Mixfight match against Lee Corville from Holland. Karim won the fight by a devastating KO in 1'st round.

At Vikingfight II Karim was a participant in the 4 men tournament but was defeated by submission in a preliminary match against Per Eklund from Sweden.

At Vikingfight III Karim was fighting Matthieu Lawalata from Holland. Karim came out as winner by submission (Heel hook).

At Vikingfight IV Karim KO'ed Tomas Schwegler about 5 seconds into the 1st round and took the quickest Vikingfight victory ever.