Events Rugged Maniac 5k Obstacle Race - San Francisco Pleasanton, CA Concord 5000 Concord, CA 2026 Flutie 5K for Autism: Vacaville, CA Vacaville, CA Event Series Ironman Triathlon Rock 'n' Roll Marathon Spartan Race Hot Chocolate Run Ragnar Relay
Rugged Maniac 5k Obstacle Race - San Francisco Pleasanton, CA Concord 5000 Concord, CA 2026 Flutie 5K for Autism: Vacaville, CA Vacaville, CA
December 2025 Chocolitito Caliente 50 Mile Challenge Livermore, CA Dec 1, 2025 - Dec 31, 2025 Running Trending MaraFUNrun Sacramento, CA Sat - Dec 06, 2025 Running > 5k BAH HUMBUG! San Ramon, CA Sat - Dec 06, 2025 Running > 1k, 5k Trending Poppy's Run for Life - Berkeley (Fall 2025) Berkeley, CA Sun - Dec 07, 2025 Running > 5k Trending February 2026 Concord 5000 Concord, CA Fri - Feb 13, 2026 Running Sweetheart 5K Run/Walk Brentwood, CA Sat - Feb 14, 2026 Running > 5k March 2026 Artesa Wine Run 5k Napa, CA Sun - Mar 08, 2026 Running > 5k Trending 2026 Bay Area 5K & Polar Plunge Alameda, CA Sat - Mar 21, 2026 Running > 5k Trending 2026 Flutie 5K for Autism: Vacaville, CA Vacaville, CA Sat - Mar 28, 2026 Running > 5k April 2026 2026 Napa Spring Half Marathon & 5K Napa, CA Apr 26, 2026 - Apr 27, 2026 Running Trending May 2026 2026 Wicked Wine Run Sacramento Lodi, CA May 9, 2026 - May 10, 2026 Running > 1k, 5k 2026 Bay to Breakers powered by windsurf San Francisco, CA May 17, 2026 - May 18, 2026 Running Trending October 2026 2026 Wicked Wine Run Napa Valley Fall Date American Canyon, CA Oct 10, 2026 - Oct 11, 2026 Running > 1k, 5k Rugged Maniac 5k Obstacle Race - San Francisco Pleasanton, CA Sat - Oct 16, 2027 @ 8:30 AM Running > 5k Trending Add your event to the calendar Trending Events Rugged Maniac 5k Obstacle Race - San Francisco Concord 5000 2026 Flutie 5K for Autism: Vacaville, CA
2026 Bay to Breakers powered by windsurf San Francisco, CA May 17, 2026 - May 18, 2026 Running Trending
2026 Wicked Wine Run Napa Valley Fall Date American Canyon, CA Oct 10, 2026 - Oct 11, 2026 Running > 1k, 5k
Rugged Maniac 5k Obstacle Race - San Francisco Pleasanton, CA Sat - Oct 16, 2027 @ 8:30 AM Running > 5k Trending