Race Discovery

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

436 events found

The Red Schoolhouse Run logo
Jun
23

The Red Schoolhouse Run

Louisville, Colorado, United States
Running
5K
Juneteenth Fun Run 5K logo
Jun
21

Juneteenth Fun Run 5K

Denver, Colorado, United States
Running
5K
Strawberry Shortcut logo
Jun
21

Strawberry Shortcut

Glenwood Springs, Colorado, United States
Running
10K 5K 1.6K
14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk logo
Jun
21

14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

Boulder, Colorado, United States
Running
5K
Virtual 14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk logo
Jun
21

Virtual 14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

Boulder, Colorado, United States
Running
5K
Father's Day Classic 10k, 5k, & 1 Mile logo
Jun
21

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, Colorado, United States
Running
10K 5K 1.6K +2
Doggie Dash
Jun
20

Doggie Dash

Colorado Springs, Colorado, United States
Running
5K
Sierra's 5K Run/Walk Race Against Meningitis logo
Jun
20

Sierra's 5K Run/Walk Race Against Meningitis

Loveland, Colorado, United States
Running
5K
Sloth Run 5K/10K/13.1 Denver/Aurora logo
Jun
20

Sloth Run 5K/10K/13.1 Denver/Aurora

Centennial, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +8
Fatherhood 5k Family Run/Walk logo
Jun
20

Fatherhood 5k Family Run/Walk

Colorado Springs, Colorado, United States
Running
5K
Parker Parks and Recreation Dash Across the Dam Father’s Day 5K logo
Jun
20

Parker Parks and Recreation Dash Across the Dam Father’s Day 5K

Parker, Colorado, United States
Running
5K
Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA logo
Jun
20

Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +2