Sat, Jan 30, 2027 · 9:00 AM · Crested Butte, CO
Alley Loop
1K3K5K10KHalf MarathonMarathon
- Price
- Price on registration site
Marathons in Colorado
Every upcoming Marathon race we know about in Colorado. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 7+ of 8 races · loading the full list…
Sat, Mar 13, 2027 · 8:00 AM · Salida, CO
22nd Annual Run Through Time Trail Marathon and Half Marathon
2MHalf MarathonMarathonhilly
- Price
- $16.90-$88.45
- Field size
- 545 · based on the organizer's entry cap
Sun, May 2, 2027 · 6:30 AM · Fort Collins, CO
The Colorado Marathon
5K10KHalf MarathonMarathon
- Price
- $48.70-$170.60
Sat, Jun 5, 2027 · 6:00 AM · Eaton, CO
Weld Your Mettle Running Festival
4.3M14MMarathonUltra
- Price
- $48.70-$244.80
0.5M10KHalf MarathonMarathon
- Price
- Free-$140.60
- Field size
- 2,250 · based on the organizer's entry cap
Fri, Jun 25, 2027 · 1:30 PM · Alma, CO
Race in the Clouds - Alma Dirt Festival 2027
10KHalf Marathon22MMarathonUltra2,600 ft gain
- Price
- $43.40-$69.90
Sat, Oct 2, 2027 · 7:00 AM · Colorado Springs, CO
Colorado Springs Marathon, Half, 5K, and Kids K
1K5KHalf MarathonMarathon
- Price
- Free-$81.66
- Field size
- 20 · based on the organizer's entry cap
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