Races in Colorado, United States
Find running events in this area
929 upcoming races
5K
Duck Waddle 5K - Estes Park (5 km)
May 2
Estes Park, United States
24 mi
Niwot's Challenge (24 mi)
May 2
Sedalia, United States
Ultra (50 mi)
Niwot's Challenge (50 mi)
May 2
Sedalia, United States
1 Mile
Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA (1 Miles)
May 2
Centennial, United States
1 Mile
Adams County Foster Care 5K Run/Walk and 1 mile fun run (1 Miles)
May 2
Brighton, United States
5K
Adams County Foster Care 5K Run/Walk and 1 mile fun run (5K)
May 2
Brighton, United States
Ultra (100 mi)
Niwot's Challenge (100 mi)
May 2
Sedalia, United States
3.4 mi
MayFest Fun Run (3.4 Miles)
May 2
Parachute, United States
5K
Take 5 in The Garden (5 km)
May 2
Colorado Springs, United States
5 mi
Take 5 in The Garden (5 mi)
May 2
Colorado Springs, United States
1K
2026 Altitude Elementary Moose Mudder (1K)
May 3
Aurora, United States
5K
RMRR May Trophy Series (5K)
May 3
Denver, United States
5K
2026 Altitude Elementary Moose Mudder (5K)
May 3
Aurora, United States
Ultra (50 mi)
Collegiate Peaks Trail Run (50 mi)
May 3
Buena Vista, United States
11 mi
The Pilgrimage (11 mi)
May 3
Mack, United States
5 mi
RMRR May Trophy Series (5 Miles)
May 3
Denver, United States
12 mi
The Pilgrimage (12 mi)
May 3
Mack, United States
5K
Water Wells for Africa 5k Walk/Run (5K)
May 3
Silt, United States
7 mi
The Pilgrimage (7 mi)
May 3
Mack, United States
25 mi
Collegiate Peaks Trail Run (25 mi)
May 3
Buena Vista, United States
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