|Olympic medal record|
|Bronze||1906 Athens||1500 metres|
He competed for Sweden in the 1906 Summer Olympics held in Athens, Greece in the 1500 metres where he won the bronze medal. He competed in the 1908 Summer Olympics in London as well. Hellstrom placed second in the 800 metres in his initial semifinal heat and did not advance to the final.
He was the head secretary of the 1912 Summer Olympics organising committee.
- Cook, Theodore Andrea (1908). The Fourth Olympiad, Being the Official Report. London: British Olympic Association.
- De Wael, Herman (2001). "Athletics 1908". Herman's Full Olympians. Retrieved 29 July 2006.
- Wudarski, Pawel (1999). "Wyniki Igrzysk Olimpijskich". Retrieved 29 July 2006. (Polish)
|This biographical article relating to Swedish athletics is a stub. You can help Wikipedia by expanding it.|