Race Calendar in Colorado, United States near Fort Collins

Wild West Relay

Fort Collins, Colorado, United States

Jul 31, 2026 (Fri) – Aug 1, 2026

$880.00 - $2,860.00

Adventure race

Ultra

Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, Colorado, United States

Aug 4, 2026 (Tue)

$30.00

Running

5K

Choice City Running Festival

Fort Collins, Colorado, United States

Aug 7, 2026 (Fri) – Aug 8, 2026

Free - $76.00

Running

1.6K 5K 10K Half-Marathon +4

Fort Collins Running Summit

Fort Collins, Colorado, United States

Aug 8, 2026 (Sat)

Recovery Run of the Rockies 5K

Fort Collins, Colorado, United States

Sep 5, 2026 (Sat)

$30.00

Running

5K

Fall Equinox

Fort Collins, Colorado, United States

Sep 20, 2026 (Sun) – Oct 3, 2026

$75.00 - $150.00

Running

Half-Marathon 8K

Homecoming 5K - Colorado State University

Fort Collins, Colorado, United States

Oct 3, 2026 (Sat)

$25.00 - $30.00

Running

5K +1

OTILLO Swimrun Colorado

Fort Collins, Colorado, United States

Oct 4, 2026 (Sun)

The Long View Marathon

Fort Collins, Colorado, United States

Oct 10, 2026 (Sat)

$35.00 - $110.00

Running

Marathon Half-Marathon 5K

The Moony Pride 5k

Fort Collins, Colorado, United States

Oct 11, 2026 (Sun)

Free

Running

5K

Blue Sky Trail Marathon & Half Marathon

Fort Collins, Colorado, United States

Oct 17, 2026 (Sat) – Oct 18, 2026

$110.00 - $130.00

Trail running

43K 22.2K

Colorado 24 Hour Run

Fort Collins, Colorado, United States

Nov 7, 2026 (Sat) – Nov 8, 2026