Aug 15, 2026 · 8:00 AM · Longmont, CO
Sunrise Stampede
1M5K
- Price
- Free-$35
- Field size
- 100 · based on the organizer's entry cap
5Ks in Colorado
Every upcoming 5K race we know about in Colorado. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Where
When
Showing 24+ of 204 races · loading the full list…
Aug 15, 2026 · 7:30 AM · Centennial, CO
Run for PB& J 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Aug 15, 2026 · 7:30 AM · Centennial, CO
Bagel Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Aug 15, 2026 · 8:00 AM · Greeley, CO
Frontier Academy Community 5K
5KWalker-friendly · per organizer
- Price
- $28.19
Aug 15, 2026 · 7:00 AM · Colorado Springs, CO
The Cheyenne Mountain Run
5K10K9,450 ft gain
- Price
- $54-$112.30
Aug 18, 2026 · 6:00 PM · Bellvue, CO
Into the Hills Eltuck 5k
5Kflat and fast
- Price
- $32.80
- Field size
- 175 · based on the organizer's entry cap
Aug 22, 2026 · 8:00 AM · Centennial, CO
2026 True Impact Ministries 5K/10K
5K10K
- Price
- Price on registration site
Aug 23, 2026 · 7:30 AM · Westminster, CO
Pioneer Prairie Dog Half, 10k & 5k
5K10KHalf Marathon
- Price
- $45-$85
- Field size
- 150 · based on the organizer's entry cap
Aug 29, 2026 · 8:00 AM · Colorado Springs, CO
Rocky Mountain 5K presented by School District 11
5Kflat and fast
- Price
- Free-$43.65
Aug 29, 2026 · 9:00 AM · Elizabeth, CO
Historic Elizabeth Main Street 5K & Family Color Run
1M5K
- Price
- $10-$25
Aug 29, 2026 · 7:30 AM · Centennial, CO
Sloth Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Aug 29, 2026 · 7:30 AM · Centennial, CO
Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54