Upcoming Marathon Races Near Boulder, CO

Runs With Scissors Races

Brighton, CO

Saturday, April 26th, 2025

Race Through America Series

Boulder, CO

Saturday, May 3rd, 2025

The Colorado Marathon

Fort Collins, CO

Sunday, May 4th, 2025

Bound for Boston Marathon & Half Marathon - Denver

Denver, CO

Sunday, August 3rd, 2025

Staunton Rocks! Marathon & Half

Conifer, CO

Saturday, August 23rd, 2025

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 23rd, 2025

Sloan's Lake Search Party (SLSP) Marathon Hourl...

Denver, CO

Sunday, September 14th, 2025

Fall Equinox

Fort Collins, CO

Sunday, September 14th, 2025

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, CO

Sunday, October 5th, 2025

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

Blue Sky Marathon & Half

Fort Collins, CO

Saturday, October 18th, 2025