10K races near Westminster, Colorado — 2026 running calendar

Dec

05

All-Out Fa La La

Westminster, Colorado, United States

$35.00 - $80.00

Running

Half-Marathon 10K 5K +2

Dec

06

Candy Cane Course - Denver

Westminster, Colorado, United States

$27.00 - $40.00

Running

1.6K 5K 10K 15K

Feb

06

Westy Winter Waggle 5&10k

Westminster, Colorado, United States

$35.00

Running

5K 10K

Apr

24

All-Out Beat the Heat

Westminster, Colorado, United States

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2

May

09

Colorado Women's Classic - Westminster

Westminster, Colorado, United States

Free - $60.00

Running

5K 10K 16.1K Kids Fun Run (100 yards)

Jul

10

All-Out Dog Days

Westminster, Colorado, United States

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2

Aug

22

Pioneer Prairie Dog Half, 10k & 5k

Westminster, Colorado, United States

$39.00 - $74.00

Running

Half-Marathon 10K 5K

Sep

18

All-Out Fall Fest

Westminster, Colorado, United States

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2