DENVER — Denver's largest running event is making some changes to its race courses for 2024. Denver Colfax Marathon organizers announced Tuesday that the event has separated its marathon course ...

Denver Colfax Marathon organizers announced in February that the event has separated its marathon course (marathon/marathon relay/10 miler) and the half-marathon course for several miles of the race.

and a firetruck from Denver Fire Station No. 1, which the course travels through. The highlight of the half marathon is running through Denver Zoo with this year's medal showcasing a sloth.

At 6 a.m. on Sunday, May 18, over 2,000 runners gathered at the starting line of the Denver/Colfax Marathon in City Park. The ...