Arne Kringstad (b. 1982) is a Norwegian Brazilian jiu-jitsu black belt training at Frontline Academy Hasle in Oslo. He was promoted to black belt by Alvaro Ribeiro on 10 June 2024 after more than 12 years of consistent training. He received his purple belt in 2016 and his brown belt in 2019.
His promoter Alvaro Ribeiro is a Brazilian IBJJF-certified 2nd-degree black belt, formerly a Frontline Hasle BJJ instructor in the Teta Rios lineage and today head of his own academy Alvaro Ribeiro Jiu Jitsu at Gym Ila in Oslo.
Outside BJJ, Kringstad has a background in traditional Norwegian folk-style wrestling, in which he has won a gold medal.
Sources: Beltchecker profile 6811; user attestation (academy-internal data).