He was born in Johannesburg, South Africa. Handelsman competed for Israel at the 1983 World Championships but did not progress from the heats. At the 1984 Summer Olympic, he competed in both 400 metres, 800 metres and 1500 metres without reaching the final.
- "Mark Handelsman". Sports-Reference.com. Retrieved 8 March 2010.
- "Men 800m Athletics World Championship 1983 Helsinki (FIN)". Todor Krastev. Archived from the original on 7 June 2009. Retrieved 27 March 2010.
- World men's all-time best 800m (last updated 2001)
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