Marion Jones Won't Compete Anymore This Season, She Says Posted Sep 15, 2006 Five-time Olympic medalist Marion Jones announced Thursday that she will not compete for the remainder of the 2006 track and field season. The 30-year-old sprinter who lives in Raleigh tested positive June 23 for the banned performance enhancer erythropoietin at the U.S. Track and Field Championships in Indianapolis. (WRAL.com)