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Marathons in California, United States

384 upcoming marathons listed in California across 9 cities. Next: Dog Days of Summer – 5K, 10K, 10M, and Half Marathon on August 1, 2026.

384marathons upcoming
9cities
August 1, 2026Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances
Napa, California, United States
04OCT
ULTRA
Napa Half Marathon
Napa, California, United States
October 4, 2026 OCT
San Diego, California, United States
04OCT
21.1K
Pacific Beach Half Marathon & 5K
San Diego, California, United States
October 4, 2026 OCT
Modesto, California, United States
04OCT
21.1K
Peace Officer Memorial Run
Modesto, California, United States
October 4, 2026 OCT
Redding, California, United States
04OCT
21.1K
Redding Breakfast Lions Turtle Bay Run 2026
Redding, California, United States
October 4, 2026 OCT
San Jose, California, United States
04OCT
21.1K
Rock 'n' Roll San Jose
San Jose, California, United States
October 4, 2026 Certified
Norco, California, United States
04OCT
ULTRA
Saddle2Surf
Norco, California, United States
October 4, 2026 OCT
California, United States
09OCT
ULTRA
Kodiak Ultra Marathons by UTMB®
California, United States
October 9, 2026 OCT
California, United States
10OCT
42.2K
2XU Long Beach Marathon & Half Marathon
California, United States
October 10, 2026 OCT
Los Angeles, California, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
October 10, 2026 OCT
Sacramento, California, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
October 10, 2026 OCT
San Diego, California, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
October 10, 2026 OCT
San Francisco, California, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
October 10, 2026 OCT
Los Angeles, California, United States
10OCT
21.1K
Coffee Lovers Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
October 10, 2026 OCT
Sacramento, California, United States
10OCT
21.1K
Coffee Lovers Run 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
October 10, 2026 OCT
San Diego, California, United States
10OCT
21.1K
Coffee Lovers Run 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
October 10, 2026 OCT
San Francisco, California, United States
10OCT
21.1K
Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
October 10, 2026 OCT
San Leandro, California, United States
10OCT
42.2K
Look Good Feel Good San Leandro 5K, 10, Half Marathon & Marathon
San Leandro, California, United States
October 10, 2026 OCT
San Jose, California, United States
10OCT
ULTRA
Mt. Umunhum Trail Conquest (Fall)
San Jose, California, United States
October 10, 2026 OCT
Orinda, California, United States
10OCT
42.2K
Reservoir Dogs Trail Run
Orinda, California, United States
October 10, 2026 OCT
San Francisco, California, United States
10OCT
ULTRA
Ruth Anderson Memorial Endurance Run
San Francisco, California, United States
October 10, 2026 OCT
Weott, California, United States
11OCT
42.2K
Humboldt Redwoods Marathon, Half Marathon, 5K
Weott, California, United States
October 11, 2026 OCT
Long Beach, California, United States
11OCT
42.2K
2XU Long Beach Marathon
Long Beach, California, United States
October 11, 2026 BQ Qualifier
Nevada City, California, United States
11OCT
42.2K
Champion Mine Trail Race
Nevada City, California, United States
October 11, 2026 OCT
Petaluma, California, United States
11OCT
21.1K
Clo Cow Half Marathon, 10K & 5K
Petaluma, California, United States
October 11, 2026 OCT

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Cities

Place Marathons
Berkeley 1
Lake Tahoe 1
Long Beach 1
Los Angeles 1
Sacramento 1
San Francisco 1
San Jose 1
Santa Barbara 1
Santa Rosa 1

Planning notes for California, United States

Use this region page to shortlist 384 upcoming races by date, distance, registration path, and official source.

  • Next raceDog Days of Summer – 5K, 10K, 10M, and Half Marathon on August 1, 2026
  • Busy monthsOctober (79), August (60), November (54)
  • DistancesMarathon, Half marathon, Ultra, 10K, 5K, Relay
  • VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.

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