He was born and died in Oslo, and represented the sports club SK av 1909.
He tied for ninth in the flyweight division in the boxing at the 1928 Summer Olympics.
[1] In 1928 he was eliminated in the second round of the flyweight class after losing his fight to Baddie Lebanon.
Below is the record of Olav Nielsen, a Norwegian flyweight boxer who competed at the 1928 Amsterdam Olympics:
This biographical article related to a Norwegian boxer is a stub.