Running races in California in Aug 2027

10 races in date order

Camarillo Marathon
Sun 1 Aug 2027 · Camarillo, CA · Marathon · Half Marathon · 10K · 5K

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Skyline 50K Endurance Run
August 2027 · Castro Valley, CA · 50K
Ridge-top trail run with views over San Francisco Bay

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Moonlight Mile
August 2027 · San Francisco, CA · 1 Mile

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The Bulldog Ultra
August 2027 · Calabasas, CA · 50K · 25K
Climbs the famous Bulldog fire road in Malibu Creek

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Noyo Headlands Race
August 2027 · Fort Bragg, CA · 1/2 Marathon · 10K Run · 5K Run · 5K Fun Walk
Coastal headland trails above the Pacific in Fort Bragg

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Skyline Mountain Marathon
August 2027 · Los Angeles, CA · 55K · Marathon · 30K · Half Marathon
Steep ridgeline climbs up Ben Lomond Peak above Pineview

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America's Finest City Half Marathon & 5K
Sun 15 Aug 2027 · San Diego, CA · Half Marathon · 5K
Point Loma's Cabrillo Monument to Balboa Park

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Tamalpa Headlands 50K
August 2027 · Muir Beach, CA · 50K
USATF 50K trail champs through the Marin Headlands

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Bulldog Ultra
August 2027 · Calabasas, CA · 50k Ultra · 25k Trail Run
Up the notorious Bulldog Motorway climb in Malibu Creek

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Santa Rosa Marathon
Sun 22 Aug 2027 · Santa Rosa, CA · Marathon · Half Marathon · 10K · 5K
Through Sonoma County's wine country vineyards

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← California Oct Nov Dec Jan 2027 Feb 2027 Mar 2027 Apr 2027 May 2027 Jun 2027 Jul 2027 Sep 2027 Oct 2027

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Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.