Family 1 Mile Fun Run5K RegistrationVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt)10K Registration13.1 Half-Marathon Registration
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
Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt)10K Registration13.1 Half-Marathon Registration
The Narrow Gauge 5KThe Narrow Gauge 10 Mile
5k Angel Run at Red Leg Brewing, Timed5k Angel Run at Red Leg Brewing, Not Timed10k Angel Run at Red Leg Brewing, Timed10k Angel Run at Red Leg Brewing, Not Timed
7K Ruck (4.3 Miles)7k walk or run (4.3 miles)14 MileFull Marathon50 Mile Relay: 2-9 runners50k50 Miles100K100K Relay: 2-12 runners100 Mile100 Mile Relay: 2-12 runners36 Hour Timed Event36 Hour Virtual Race
2026 Mike The Headless Chicken 5K
M1LE Nation- Virtual RaceM1LE Nation- LIVE RaceTeam M1LE Nation- Virtual RaceTeam M1LE Nation- LIVE Race
Running for Rescues! 1 Mile Fun Run - VirtualRunning for Rescues! 1 Mile Fun Run - OnsiteRunning for Rescues! 1 Mile - Onsite - Girls on the Run or School Run ClubsRunning for Rescues! 5K - OnsiteRunning for Rescues! 5K - Onsite - Girls on the Run or School Run ClubsRunning for Rescues! 5K - Onsite - Bring your "howdy partners" - group (discounted pricing for participants)Running for Rescues! 5K - Virtual
Short CourseLong Course
Creede Donkey Dash 3 MilerCreede Donkey Dash 10 Miler
1/2 Marathon
Aiden's Adventure 5k Kids 1-Mile DashAiden's Adventure 5k Kids 1-Mile Dash - NO SHIRT/MEDALAiden's Adventure 5kAiden's Adventure 5k Virtual EventAiden's Adventure 5k - NO SHIRT/MEDAL
Kids RaceSolo MaleSolo FemaleCo-Ed/Female Relay TeamFamily Relay TeamTeen Relay Team
6-MileHalf MarathonMarathon50kElevation Challenge (14-hr)
Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt)10K Registration13.1 Half-Marathon Registration
Family 1 Mile Fun Run5K RegistrationVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt)10K Registration13.1 Half-Marathon Registration
5k Run/Walk - In-Person
Kids 1 Mile Dash5K Run/Walk
5KVirtual 5K