57 Upcoming Half Marathon Races Near Boulder, CO
Sun, Aug 22, 20271 race
Mon, Sep 6, 20271 race
Never miss a race near youSave races and see the forecast in the free app.Get the appSat, Sep 11, 20271 race
Sat, Sep 18, 20272 races
Organize a race? Add it free — over 100,000 runners use Find The Run every month.
Sat, Oct 2, 20271 race
Sun, Oct 10, 20271 race
Explore more in Boulder, CO
Jump straight to races by distance, month, or type.
Distance
Race type
Run clubs
Race weather