BOLDERBoulder 10K
Location
Boulder
United States
Distance
10K
Date
May 25, 2026
Elevation Gain
95m
hillier than 11 of 13 similar races
Course TypePoint-to-point
Typical WeatherLate spring, 15-24°C (59-75°F), mountain weather at altitude
WebsiteVisit Website →
Named America's All-Time Best 10K with 48,000+ runners in Boulder, Colorado, finishing at CU Stadium with entertainment throughout.
What Makes This Race Special
- America's All-Time Best 10K
- 48,000+ runners
- CU Stadium finish
- Memorial Day tradition
- Rocky Mountain backdrop