Race Calendar in Colorado, United States

Horsetooth Tri Training Open Water Swim Series

Fort Collins, Colorado, United States

03 Jun, 2026 (Wed) – 29 Jul, 2026

The Barmen Mile

Arvada, Colorado, United States

03 Jun, 2026 (Wed)

Free

Running

1.6K

Session Series #2 - Maryland Mountain

Black Hawk, Colorado, United States

03 Jun, 2026 (Wed)

KDA Global Running Day Challenge

Denver, Colorado, United States

03 Jun, 2026 (Wed) – 10 Jun, 2026

Global Running Day with Altra & Runners Roost

Denver, Colorado, United States

03 Jun, 2026 (Wed)

Wednesday Worlds Cheyenne Mountain State Park

Colorado Springs, Colorado, United States

03 Jun, 2026 (Wed)

$30.00

Mountain biking

4.8K 9.7K 14.5K

June 4 - Advanced @ Red Rock/Stephanies

Colorado Springs, Colorado, United States

04 Jun, 2026 (Thu)

June 4 - Intermediate @ Stratton

Colorado Springs, Colorado, United States

04 Jun, 2026 (Thu)

Durango Brewer's Trail Series

Durango, Colorado, United States

04 Jun, 2026 (Thu) – 30 Jul, 2026

June 4 - Never Evers & Beginners @ Bear Creek

Colorado Springs, Colorado, United States

04 Jun, 2026 (Thu)

J-Town Jog 5K and Kids 1 Mile Dash

Johnstown, Colorado, United States

06 Jun, 2026 (Sat)

$25.00 - $35.00

Running

1.6K 5K

Aiden's Adventure 5k

Colorado Springs, Colorado, United States

06 Jun, 2026 (Sat)

$10.00 - $45.00

Running

5K 1.6K +1