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RACE PROFILE
Louisville, Colorado·Half Marathon
Next Race · Jun 7, 2026
The Colorado 13er is THE event where the best parts of trail running and road racing combine 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. ------------------------------------------- Join us for this exceptionally scenic, looped 13.1 course which runs through gorgeous Louisville, Colorado! We designed this co
Historically cold conditions — dress warmly and warm up thoroughly.
Historical data (5-year avg)
Generate a personalized pacing and fueling strategy for Colorado 13er (Half Marathon/10k/5k).
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