Denver, CO

Running Races in Denver, CO

Find runs and races near you with our Denver, CO running calendar. Find your next 5K, 10K, half marathon, road race, trail run, marathon, ultra, and everything in between.

Events at this location

May 2025

Girls on the Run 5K

Denver Colfax Marathon

Sat, May 17 - Sun, May 18

5K, 10 Mile, Half Marathon, Marathon, Relay (Running)

The Ol’ College Try 24 Hour Ultra

June 2025

Flamingo Day 5K

RMRR Trophy Series – June

Jodi’s Race 5K

Miles for Melanoma – Denver

Hometown Half Marathon

1 Mile, 5K, 10K, Half Marathon, Kids Run

Denver Pride 5K

July 2025

Cookie Chase 5K

Donor Dash

Denver CF Climb

Dash for Smiles

August 2025

I’m Bound for Boston Marathon & Half Marathon – Denver

Half Marathon, Marathon

September 2025

Denver Rocks Run 5K/10K

Sun, September 7

Denver 5K

Sat, September 13

RiNo 5K

Sat, September 13

Nun Run

Sun, September 14

5K, Half Marathon

Move Forward 5K & 10K

Sat, September 20

Operation STAUNTON

Sat, September 20

10K, 10 Mile, 30K, 20 Mile