Running Races in Colorado

340 upcoming races

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Denver 43 Centennial 37 Colorado Springs 36 Fort Collins 24 Littleton 15 Arvada 12 Steamboat Springs 12 Westminster 10 Loveland 10 Durango 9 Buena Vista 8 Aurora 8 Aspen 8 Boulder 7 Golden 7 Thornton 7 Parker 6 Bellvue 6 Pueblo 5 Longmont 5 Windsor 5 Highlands Ranch 5 Louisville 5 Manitou Springs 4 Grand Junction 4 Brighton 4 Salida 4 Castle Rock 4 Estes Park 3 Frederick 3

Upcoming Races in Colorado

Run the Ranch

Apr 10, 2026 Loveland, CO
5k10k (heavy)6 hour trail run12 hour trail run - solo12 hour relay race - 4 person12 hour relay race - 2 personVirtual 5K/10KVirtual 4HR/6HR12HR4 hour trail run
From $100.00 Closing Soon Open
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PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard DashKindergarten & 1st Grade - 1/4 Mile2nd & 3rd Grade - 1/2 Mile4th & 5th Grade - 1 Mile6th to 8th Grade - 1 MileChallenger Division - 75 Yard DashSingle Day Walk Up Week 1Single Day Walk Up Week 2Single Day Walk Up Week 3Single Day Walk Up Week 4Single Day Walk Up Week 5
From $15.00 Open
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Boulder Track Series Meet 1

Apr 12, 2026 Longmont, CO
2-Mile - 13 to 19 years2-Mile - 20 years & older800m - 12 & under800m - 20 years & older800m - 13 to 19 years1500m - 20 years & older1500m - 13 to 19 years1500m - 12 & under1500m & 2-Mile - 20 years & older800m, 1500m & 2-Mile - 20 years & older800m & 1500m - 12 & under800m & 1500m - 13 to 19 years800m & 2-Mile - 13 to 19 years1500m & 2-Mile - 13 to 19 years800m, 1500 & 2-Mile - 13 to 19 years800m & 1500m - 20 years & older800m & 2-Mile - 20 years & older
From $10.00 Open
Register
PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard DashKindergarten & 1st Grade - 1/4 Mile2nd & 3rd Grade - 1/2 Mile4th & 5th Grade - 1 Mile6th to 8th Grade - 1 MileChallenger Division - 75 Yard DashSingle Day Walk Up Week 1Single Day Walk Up Week 2Single Day Walk Up Week 3Single Day Walk Up Week 4Single Day Walk Up Week 5
From $15.00 Open
Register
PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard DashKindergarten & 1st Grade - 1/4 Mile2nd & 3rd Grade - 1/2 Mile4th & 5th Grade - 1 Mile6th to 8th Grade - 1 MileChallenger Division - 75 Yard DashSingle Day Walk Up Week 1Single Day Walk Up Week 2Single Day Walk Up Week 3Single Day Walk Up Week 4Single Day Walk Up Week 5
From $15.00 Open
Register