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Best Westminster, Colorado Half Marathon Races

View some of the best Half Marathon races in Westminster, Colorado! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.

    • 1/2M

    Denver, CO

    11.62 miles away

    I'm Attending

    2020 Golden Gate Half Marathon & 5K

    The Golden Gate Half is more than just a 13.1-mile run through San Francisco. Rather, it is a spectacular journey through this stunning City by the Bay. The chance to run across the Golden Gate Bridge is an experience unlike any other, but far fro...

    • 1/2M

    Westminster, CO

    4.02 miles away

    I'm Attending

    Westy Half & 5k

    www.WestyHalf.com Join us for the Westy Half in October!  This race is chip timed. This year's event features an out and back course from Westminster Promenade Terrace to Standley Lake and back. Celebrate autumn with us, and join the Half Marath...

    • 1/2M

    Louisville, CO

    10.39 miles away

    I'm Attending

    Arctic Prairie Dog Half, 10k & 5k

    Prairie Dog Half - Louisville - ALL info (including swag, start times, location, awards, etc) can be found on the race's website!

    • 1/2M

    Arvada, CO

    5.79 miles away

    I'm Attending

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

    The Arvada event supports Community Table, an Arvada Foodbank.  Bring 5 items for donation on race day and you'll be entered into a raffle for great prizes from 3W Races and our sponsors! Welcome to the SPRING FLING Prairie Dog Half (part of the ...

    • 1/2M

    Arvada, CO

    5.79 miles away

    I'm Attending

    Spring Fling Prairie Dog Half, 10k, 5k

    The Arvada event supports Community Table, an Arvada Foodbank.  Bring 5 items for donation on race day and you'll be entered into a raffle for great prizes! Welcome to the SPRING FLING Prairie Dog Half!  This spring-time event also features 10k a...

    • 1/2M

    Longmont, CO

    22.14 miles away

    I'm Attending

    Longmont Half & 5k (LM Half)

    www.LMHalf.com Celebrate Independence Day with us, and join the Half Marathon or 5k distance!  Walkers and Runners of all abilities welcome! Half Marathoners start at 6 AM - finish line closes at 09:30 AM.  If you'd like more time, contact us (I...

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