Half-Marathon races near Arvada, Colorado — 2026 running calendar

Nov

21

TURKEY TREK (13.1, 10k, 5k & 2k)

Arvada, Colorado, United States

$29.00 - $74.00

Running

Half-Marathon 10K 5K 2K

Jan

09

All-Out Polar Prowl

Arvada, Colorado, United States

$35.00 - $80.00

Running

Half-Marathon 10K 5K +2

Feb

06

All-Out Mardi Crawl

Arvada, Colorado, United States

$25.00 - $70.00

Running

Half-Marathon 10K 5K +2

Feb

14

Ralston Creek Half Marathon & 5k

Arvada, Colorado, United States

$25.00 - $140.00

Running

Half-Marathon 5K +1

Apr

11

Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, Colorado, United States

$39.00 - $74.00

Running

Half-Marathon 10K 5K

Jun

12

All-Out Summer Breeze

Arvada, Colorado, United States

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2

Aug

07

All-Out Runapalooza

Arvada, Colorado, United States

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2