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Half Marathon Races in Westminster, CO

7 upcoming Half Marathon races in Westminster. Run This events are listed first.

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DistanceAll5K10KHalf Marathon
Nearby citiesDenverColorado SpringsCentennialLittletonFort CollinsArvadaThorntonPuebloBoulderLovelandDurangoGrand Junction

7 races

Sat, Aug 22, 2026

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

OutsideMarathon10K5K

Fri, Sep 4, 2026

Golden Harvest Half Marathon & 5k/10k - Denver

Westminster, CO

Outside50 m1 mile5K10K

Fri, Sep 18, 2026

All-Out Fall Fest

Westminster, CO

OutsideMarathon10K5K

Sat, Oct 10, 2026

Westy Half & 5k

Westminster, CO

OutsideMarathon5K

Fri, Dec 4, 2026

All-Out Fa La La

Westminster, CO

OutsideMarathon10K5K

Fri, Apr 23, 2027

All-Out Beat the Heat

Westminster, CO

OutsideMarathon10K5K

Fri, Jul 9, 2027

All-Out Dog Days

Westminster, CO

OutsideMarathon10K5K

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