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Colorado 13er, 10k and 5k

June 6, 2021

The Colorado 13er is THE event where the best parts of trail running road racing meld to create a truly enjoyable, kind to your body, well supported 13.1 race! Seasoned runners and first timers alike appreciate the excellent communication from the 13er race crew who make this event accessible for athletes of all levels.

5K, 10K, Half Marathon


3W Races
View Organizer Website


Louisville, Colorado
Louisville, CO 80027 United States + Google Map