Aug 22, 2026 · 7:00 AM · Pine, CO
Staunton Rocks! Marathon and Half Marathon
Half MarathonMarathon4,500 ft gain
- Price
- $117.60-$138.80
- Field size
- 320 · based on the organizer's entry cap
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
Where
When
Showing 13+ of 13 races · loading the full list…
Sep 1, 2026 · 12:01 AM · Colorado Springs, CO
RiseUP Elevation Challenge
Marathon
- Price
- Price on registration site
Sep 20, 2026 · 7:00 AM · Manitou Springs, CO
Pikes Peak Marathon
Marathon7,834 ft gain
- Price
- Free-$263.50
- Field size
- 950 · based on the organizer's entry cap
Oct 3, 2026 · 7:00 AM · Colorado Springs, CO
Colorado Springs Marathon, Half, 5K, and Kids K
5KHalf MarathonMarathon
- Price
- Free-$129.70
- Field size
- 20 · based on the organizer's entry cap
Oct 4, 2026 · 7:00 AM · Windsor, CO
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
1M5K10KHalf MarathonMarathon
- Price
- $20-$140
Oct 10, 2026 · 8:00 AM · Breckenridge, CO
Breckenridge RunFest
1M5K10KHalf MarathonMarathon
- Price
- $30.25-$130.95
Oct 10, 2026 · 7:30 AM · Fort Collins, CO
The Long View Marathon
5KHalf MarathonMarathon
- Price
- $38.10-$117.60
- Field size
- 1,000 · based on the organizer's entry cap
Oct 17, 2026 · 7:00 AM · Fort Collins, CO
Blue Sky Trail Marathon & Half Marathon
Marathon3,500 ft gain
- Price
- $117.60-$138.80
- Field size
- 300 · based on the organizer's entry cap
May 2, 2027 · 6:30 AM · Fort Collins, CO
The Colorado Marathon
5K10KHalf MarathonMarathon
- Price
- $43.40-$149.40
Jun 24, 2027 · 1:30 PM · Alma, CO
Race in the Clouds - Alma Dirt Festival 2027
10KHalf MarathonMarathonUltra
- Price
- $43.40-$54
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