5K races in Colorado, United States — 2026 running calendar

Hayden Cog Run

Hayden, Colorado, United States

03 May, 2026 (Sun)

Running

13.5K 5K

Take 5 in the Garden

Colorado Springs, Colorado, United States

02 May, 2026 (Sat)

Trail running, Running

15.3K 8K 5K

DU Spring Sprint 5k

Gunnison, Colorado, United States

02 May, 2026 (Sat)

Running

5.1K

Adams County Foster Care 5K Run/Walk and 1 mile fun run

Brighton, Colorado, United States

02 May, 2026 (Sat)

Running

5K 1.6K +1

MayFest Fun Run

Parachute, Colorado, United States

02 May, 2026 (Sat)

Running

5.5K

High Line Canal 5K/10K Run

Centennial, Colorado, United States

02 May, 2026 (Sat)

Running

10K 5K

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

02 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

CollaBEERation 5k & Brew Fest Party

Longmont, Colorado, United States

02 May, 2026 (Sat)

Running

5K

Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

02 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

2026 Dash & Dine 5k Run Series

Boulder, Colorado, United States

28 Apr, 2026 (Tue) – 19 May, 2026

Running

5K

Alpine Autism Center 19th Annual "Run for the One" 5k Walk/Run

Colorado Springs, Colorado, United States

25 Apr, 2026 (Sat) – 01 May, 2026

Running

5K

Walk Run or Roll for Daniel

Colorado Springs, Colorado, United States

02 Apr, 2026 (Thu) – 09 May, 2026

Cycling, Running

24.1K 5K