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ALL NATIONS (2,411 events)
Apr
25
2026
Loveland, Colorado (United States of America) - "NoCo Half Marathon & 10K". Spring is the season of renewal and beautiful Colorado running. We hope you join us for a fun adventure that embodies the spirit of springtime at the beautiful Boyd Lake State Park! Choose from the Half Marathon (13.1 mile) or 10K (6.2 mile) for your run adventure. This course is on smooth paved walkways with about three quarters of a mile being off road. Beautiful lake and wildlife views and fun post race festivities. Did we mention almost no elevation gain? This is one flat course making sure you'll set a new PR or enjoy a fun steady-paced morning run race. https://breakawayathleticevents.com/noco-half-marathon
Jun
06
2026
Basalt, Colorado (United States of America) - "Basalt Half Marathon & 2-Person Relay". Fast picturesque course runs downhill from Ruedi Resevoir to Basalt along the Frying Pan River. The 48th annual event is a fund raiser for the local high school cross country team. Runners are bussed to the start and run point to point finishing at Basalt Middle School. www.basalthalfmarathon.com
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