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Half marathons in Westminster, Colorado

2026 and 2027 race calendar. 6 upcoming, updated daily.

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6 upcoming
Distance
Any5K910K8Half marathon6
December 2026

All-Out Fa La La

Westminster, Colorado, United States
Running5K10KHalf marathon
April 2027
July 2027

All-Out Dog Days

Westminster, Colorado, United States
Running5K10KHalf marathon
August 2027
September 2027

All-Out Fall Fest

Westminster, Colorado, United States
Running5K10KHalf marathon
October 2027

Westy Half & 5k

Westminster, Colorado, United States
Running5KHalf marathon
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