Half Marathons in August 2027
August half marathons range from coastal to extreme. San Diego's America's Finest City Half runs from Cabrillo National Monument to Balboa Park with the bay in view, while the . It's also the month to lock in a tune-up before September and October goal races.
Racing in August? Start our 12-week half marathon training plan around late May.
Upcoming Races
Craft Classic Half Marathon and 5K
Aug 1, 2027
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Seattle
Camarillo Marathon
Aug 1, 2027
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Los Angeles
Rocky Mountain Half & 5K
Aug 6, 2027
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Boulder
Bridge of the Gods Half Marathon
Aug 7, 2027
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Hood River
Hagg Lake Triathlon and Trail Festival
Aug 7, 2027
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Gaston
Galloping Gertie Half Marathon, 10K, 5K
Aug 7, 2027
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Tacoma
High Mountain Half Marathon
Aug 7, 2027
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Lakeside
Dark Horse Trail Series (26.2 - 13.1 - 10k)
Aug 14, 2027
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Erie Half & 5K
Aug 15, 2027
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Denver
America's Finest City Half Marathon
Aug 15, 2027
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San Diego
Santa Rosa Marathon, Half Marathon, 10K, and 5K
Aug 21, 2027
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Santa Rosa
Moonlight on the Falls - Marathon, Half Marathon, Quarter Marathon, and Distance Challenge
Aug 21, 2027
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Pioneer Prairie Dog Half Marathon, 10K & 5K
Aug 22, 2027
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Westminster
Californian Dreamin 5K, 10K, & Half Marathon
Aug 22, 2027
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Long Beach
Mt. Nebo Marathon, Half Marathon, 10K & 5K
Aug 28, 2027
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Salt Lake City
Iron Horse Half Marathon
Aug 29, 2027
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Snoqualmie
