Aaron Krickstein nicknamed "Marathon Man" is a former American professional tennis player, who competed on the ATP Tour from 1983 to 1996. Born in Ann Arbor, Michigan, he currently competes on the Outback Champions Series Over-30 tour. Krickstein reached his career high ATP ranking of World No. 6, on February 26, 1990. He achieved this ranking on the back of wins in Sydney and Los Angeles, as well as his best ever results at Wimbledon and the U.S. Open.