Classic Races in Boulder, CO
Boulder, CO
West End Mile
Jun 22, 2023
East End 1 Mile
Jul 13, 2023
Mile High Mile
Jul 29, 2023
Transperfect Victory Lap 5K
Aug 19, 2023
Avery Brewing Company Oktoberfest 4K
Oct 1, 2023
Boulder XC Series Meet 1
Oct 14, 2023
Boulder XC Series Meet 2
Oct 28, 2023
Colleen De Reuck XC Classic
Nov 11, 2023
BRR Masters Invite Indoor Mile
Jan 13, 2024
The Day Quest - Flatirons Vista to Spring Brook
Mar 23, 2024
Boulder Rez Half
Apr 13, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
The Diabetes Link at CU 5K Run/Walk
Apr 13, 2024
Dash & Dine 5K Series
Apr 30, 2024
May 7, 2024
May 14, 2024
May 21, 2024
Boulder Mothers Day Run
May 12, 2024
BOLDERBoulder 10K
May 27, 2024
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
BRR All Comers Summer Track and Field Series
Jun 6, 2024
Jun 20, 2024
Jul 18, 2024
Aug 1, 2024
Boulder Sunrise 10K and 5K
Jun 23, 2024
Buffs4Life Kyle MacIntosh Memorial Fun Run
Jun 23, 2024
Sunset Trail Running Festival
Jun 23, 2024
Colorado Brewery Running Series
Jun 30, 2024
Avery Brewing Company Four on the Fourth 4K
Jul 4, 2024
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulderthon: Downtown Boulder Marathon
Sep 29, 2024
Alpine Bank Boulder Thanksgiving Day 5K
Nov 28, 2024
ColderBOLDER
Dec 7, 2024
Lucky Leprechaun 5K
Mar 16, 2025
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. West End Mile
-
Past DateJun 22, 2023Thursday
-
1M run | kids run
More Information
-
Boulder, CO
Boulder County, CO
2. East End 1 Mile
-
Past DateJul 13, 2023Thursday
-
1M run | kids run
More Information
-
Boulder, CO
Boulder County, CO
3. Mile High Mile
-
Past DateJul 29, 2023Saturday
-
1M run
More Information
-
Boulder, CO
Boulder County, CO
4. Transperfect Victory Lap 5K - Boulder
-
Past DateAug 19, 2023Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
5. Avery Brewing Company Oktoberfest 4K
-
Past DateOct 1, 2023Sunday
-
4K run
More Information
-
Boulder, CO
Boulder County, CO
6. Boulder XC Series Meet 1
-
Past DateOct 14, 2023Saturday
-
5K, 3K, 1K run
More Information
-
Boulder, CO
Boulder County, CO
7. Boulder XC Series Meet 2
-
Past DateOct 28, 2023Saturday
-
4K, 2.5K, 1K run
More Information
-
Boulder, CO
Boulder County, CO
8. Colleen De Reuck XC Classic
-
Past DateNov 11, 2023Saturday
-
5K run | kids run
More Information
-
Boulder, CO
Boulder County, CO
9. BRR Masters Invite Indoor Mile
-
Past DateJan 13, 2024Saturday
-
1M run
More Information
-
Boulder, CO
Boulder County, CO
10. The Day Quest - Flatirons Vista to Spring Brook
-
Past DateMar 23, 2024Saturday
-
7M trail run
More Information
-
Boulder, CO
Boulder County, CO
11. Boulder Rez Half
-
Past DateApr 13, 2024Saturday
-
13.1M, 10K, 5K run
More Information
-
Boulder, CO
Boulder County, CO
12. South Boulder Creek parkrun
-
Past DateApr 13, 2024Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
13. The Diabetes Link at CU 5K Run/Walk
-
Past DateApr 13, 2024Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
14. South Boulder Creek parkrun
-
Past DateApr 20, 2024Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
15. South Boulder Creek parkrun
-
Apr 27, 2024Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
16. Dash & Dine 5K Series
-
Apr 30, 2024Tuesday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
17. South Boulder Creek parkrun
-
May 4, 2024Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
18. Dash & Dine 5K Series
-
May 7, 2024Tuesday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
19. South Boulder Creek parkrun
-
May 11, 2024Saturday
-
5K run
More Information
-
Boulder, CO
Boulder County, CO
20. Boulder Mothers Day Run
-
May 12, 2024Sunday
-
13.1M, 10K, 5K trail run
More Information
-
Boulder, CO
Boulder County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.