Race Calendar in Colorado, United States

Sep

19

Champions for Children 5K Run/Walk

Commerce City, Colorado, United States

Running

5K

Sep

19

ColorFest Color Run/Walk 5K

Pagosa Springs, Colorado, United States

Running

5K

Sep

19

Salida Bike Fest - Salida 76 and the Banana Belt

Salida, Colorado, United States

Gravel biking Mountain biking

Ultra

Sep

19

Montbello Alive! 5K

Denver, Colorado, United States

Running

5K

Sep

19

Pikes Peak Ascent

Manitou Springs, Colorado, United States

Running

Half-Marathon

Sep

19

Wellington STAR Foundation 5K 10K

Wellington, Colorado, United States

Running

5K 10K +2

Sep

19

Beulah Challenge and OverIt Series

Beulah, Colorado, United States

Running

Half-Marathon 10K 5K +2

Sep

19

Miles 4 Madison 5K & 1K

Littleton, Colorado, United States

Running

5K 1K

Sep

19

Battle by the Brook

Deckers, Colorado, United States

Adventure race

32.2K 9.7K

Sep

19

Gummball 5K

Brighton, Colorado, United States

Running

5K

Sep

19

Denver: Walk With Autism and Resource Fair

Denver, Colorado, United States

Running

5K

Sep

19

Lederhosen Race 2026

Red Feather Lakes, Colorado, United States

Running

5.8K