Submit an Update or Correction for a Race
Our Current Race Information
-
Race NameBoulderthon: Downtown Boulder Marathon & Half Marathon
-
Race Dates
Oct 7, 2023 - Saturday Oct 8, 2023 - Sunday -
EventsOct 7, 2023 - 26.2M, 13.1M, 5K run | kids runOct 8, 2023 - 26.2M, 13.1M, 10K run
-
Directory StatusThis Race appears in our directories.