Lance Armstrong has been banned from running in the Chicago Marathon in October, his spokesman has revealed.
The 40-year-old was given a lifetime ban by the US Anti-Doping Agency last month after he said that he would not challenge charges of doping throughout his cycling career.
"Lance was going to be running as a fundraising team member of Team Livestrong at Chicago," Mark Higgins said in an email to Reuters.
"One of the Lance Armstrong Foundation staffers had communicated that to the race organisers and she was told he could not run."
Armstrong was stripped of his record seven Tour de France titles in August.