Running Race Calendar in Colorado, United States

Stepping Stone 5K

Littleton, Colorado, United States

13 Jun, 2026 (Sat)

$35.00

Running

5K 2.5K

Holy Hammers Hustle for Habitat

Parker, Colorado, United States

13 Jun, 2026 (Sat)

$30.00

Running

4.8K

St Mary's Church "Loop the Lake 5K" at Lathrop State Park

Walsenburg, Colorado, United States

13 Jun, 2026 (Sat)

$35.00

Running

5K

Treat Trot Colorado Springs

Colorado Springs, Colorado, United States

14 Jun, 2026 (Sun)

$22.00 - $42.00

Running

1.6K 5K 10K 15K

The Bullfrog Splashdown

Littleton, Colorado, United States

14 Jun, 2026 (Sun)

Free - $84.00

Running

10K 5K 2.4K 8.9K

Garden of the Gods 10 Mile/10K and Trail Run

Colorado Springs, Colorado, United States

14 Jun, 2026 (Sun)

$15.00 - $90.00

Running, Trail running

16.1K 10K 4.7K

HRCA Happy Hour Half K

Littleton, Colorado, United States

19 Jun, 2026 (Fri)

$45.00

Running

0.5K

Sierra's 5K Run/Walk Race Against Meningitis

Loveland, Colorado, United States

20 Jun, 2026 (Sat)

$30.00

Running

5K

Fatherhood 5k Family Run/Walk

Colorado Springs, Colorado, United States

20 Jun, 2026 (Sat)

$20.00 - $100.00

Running

5K

Sloth Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

20 Jun, 2026 (Sat) – 29 Aug, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

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

Centennial, Colorado, United States

20 Jun, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Red, White and Brew 5k, 10k & Half Marathon

Windsor, Colorado, United States

20 Jun, 2026 (Sat)

$15.00 - $90.00

Running

5K 10K Half-Marathon 1.6K +2