Race Calendar in Colorado, United States

Continental Divide Trail Run

Steamboat Springs, Colorado, United States

29 Aug, 2026 (Sat)

Trail running

8K 25.7K Ultra

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, Colorado, United States

29 Aug, 2026 (Sat)

$20.00 - $45.00

Running, Walking

5K 1.6K

TBK Bank Thirsty 13 Half Marathon

Durango, Colorado, United States

29 Aug, 2026 (Sat)

$95.00 - $129.00

Running

Half-Marathon

Run for Hope - Colorado Springs

Colorado Springs, Colorado, United States

29 Aug, 2026 (Sat)

$25.00 - $40.00

Running

5K 1.6K

Run to Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Rocky Mountain 5K presented by School District 11

Colorado Springs, Colorado, United States

29 Aug, 2026 (Sat)

Free - $35.00

Running

5K 1K

Wine Run 5k at The Winery at Holy Cross Abbey

Canon City, Colorado, United States

30 Aug, 2026 (Sun)

$30.00

Running

5K

James Test Site

Lyons, Colorado, United States

30 Aug, 2026 (Sun)

Running

5K 10K

Sept 3 - Social Ride GOG/Rampart Range Rd 5:30 pm

Colorado Springs, Colorado, United States

03 Sep, 2026 (Thu)

Raising the Barr

Brighton, Colorado, United States

05 Sep, 2026 (Sat)

Cirque Series - Arapahoe Basin, CO

Keystone, Colorado, United States

05 Sep, 2026 (Sat)

$90.15

Trail running

15.1K

Golden Harvest Half Marathon & 5k/10k - Denver

Denver, Colorado, United States

05 Sep, 2026 (Sat)

$22.00 - $67.00

Running

5K 10K Half-Marathon 1.6K