10K races near Denver, Colorado — 2026 running calendar

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

Ghosts and Goblins 5K/10K

Denver, Colorado, United States

25 Oct, 2026 (Sun)

$30.00 - $40.00

Running

5K 10K

Feet for Justice Run

Denver, Colorado, United States

01 Nov, 2026 (Sun)

$10.00 - $35.00

Running

10K 5K Kids Run

City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Denver, Colorado, United States

07 Nov, 2026 (Sat)

$20.00 - $60.00

Running, Walking

5K 10K 1.6K

Denver Veterans Day Run

Denver, Colorado, United States

14 Nov, 2026 (Sat)

$45.00 - $65.00

Running

5K 10K

Pumpkin Pie 5K/10K

Denver, Colorado, United States

21 Nov, 2026 (Sat)

$30.00 - $40.00

Running

5K 10K

Race Through Colorado 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!

Denver, Colorado, United States

28 Mar, 2026 (Sat) – 31 Dec, 2026

$20.00

Running

1.6K 5K 10K Half-Marathon +1