Race Calendar in Colorado, United States

Honey Bee Hustle

Loveland, Colorado, United States

Sep 13, 2026 (Sun)

9/11 Heroes Run - Denver, Colorado

Denver, Colorado, United States

Sep 13, 2026 (Sun)

Free - $45.00

Running

5K 1.6K +3

FalconTri

U S A F Academy, Colorado, United States

Sep 13, 2026 (Sun)

$15.00 - $55.00

Triathlon

Cadet Men Cadet Women Collegiate Men Triathlon Collegiate Women Triathlon +2

Severance Glow 5K Run or Walk

Severance, Colorado, United States

Sep 18, 2026 (Fri)

$40.00

Running

5K

Salida Bike Fest - Salida 76 and the Banana Belt

Salida, Colorado, United States

Sep 19, 2026 (Sat) – Sep 20, 2026

$125.00 - $165.00

Gravel biking, Mountain biking

Ultra

Gummball 5K

Brighton, Colorado, United States

Sep 19, 2026 (Sat)

$30.00

Running

5K

Pikes Peak Ascent

Manitou Springs, Colorado, United States

Sep 19, 2026 (Sat)

Free - $225.00

Running

Half-Marathon

All-Out Fall Fest

Westminster, Colorado, United States

Sep 19, 2026 (Sat)

$35.00 - $80.00

Running

Half-Marathon 10K 5K +2

Lederhosen Race 2026

Red Feather Lakes, Colorado, United States

Sep 19, 2026 (Sat)

$35.00

Running

5.8K

Miles 4 Madison 5K & 1K

Littleton, Colorado, United States

Sep 19, 2026 (Sat)

$25.00

Running

5K 1K

Beulah Challenge and OverIt Series

Beulah, Colorado, United States

Sep 19, 2026 (Sat)

$20.00 - $180.00

Running

Half-Marathon 10K 5K +2

Battle by the Brook

Deckers, Colorado, United States

Sep 19, 2026 (Sat)

$89.00 - $104.00

Adventure race

32.2K 9.7K