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Marathon directory

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
San Diego, California, United States
12SEP
21.1K
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
September 12, 2026 SEP
San Francisco, California, United States
12SEP
21.1K
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
September 12, 2026 SEP
Los Angeles, California, United States
12SEP
21.1K
Rise to the Top 5k, 10k, 15k, Half Marathon
Los Angeles, California, United States
September 12, 2026 SEP
Los Angeles, California, United States
12SEP
21.1K
Run for Mental Health 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
September 12, 2026 SEP
Sacramento, California, United States
12SEP
21.1K
Run for Mental Health 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
September 12, 2026 SEP
San Diego, California, United States
12SEP
21.1K
Run for Mental Health 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
September 12, 2026 SEP
San Francisco, California, United States
12SEP
21.1K
Run for Mental Health 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
September 12, 2026 SEP
Cupertino, California, United States
12SEP
42.2K
Stevens Creek Striders Reservoir Run
Cupertino, California, United States
September 12, 2026 SEP
Bloomfield, California, United States
12SEP
42.2K
The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project
Bloomfield, California, United States
September 12, 2026 SEP
San Diego, California, United States
12SEP
42.2K
The Syty Marathon
San Diego, California, United States
September 12, 2026 SEP
Long Beach, California, United States
13SEP
21.1K
Beach Fun 5k, 10k, 15k, Half Marathon
Long Beach, California, United States
September 13, 2026 SEP
Long Beach, California, United States
13SEP
21.1K
Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs
Long Beach, California, United States
September 13, 2026 SEP
Auburn, California, United States
18SEP
ULTRA
Mile Madness Endurance Run
Auburn, California, United States
September 18, 2026 SEP
Canoga Park, California, United States
19SEP
21.1K
Bayside Saved by the Bell 5K, 10K & Half Marathon
Canoga Park, California, United States
September 19, 2026 SEP
San Ramon, California, United States
19SEP
21.1K
Rocky Ridge 2026
San Ramon, California, United States
September 19, 2026 SEP
Rocklin, California, United States
19SEP
21.1K
Run for Coffee 5k / 10k / 13.1 - Roseville
Rocklin, California, United States
September 19, 2026 SEP
Bradley, California, United States
19SEP
ULTRA
Tierra Redonda Mountain Trail Run
Bradley, California, United States
September 19, 2026 SEP
Alameda, California, United States
20SEP
21.1K
Alameda Island Running Festival
Alameda, California, United States
September 20, 2026 SEP
Long Beach, California, United States
20SEP
ULTRA
La Noche de las Brujas Run -SummerWeen Series 5K 10K Half by Califlow Runs
Long Beach, California, United States
September 20, 2026 SEP
Big Sur, California, United States
26SEP
42.2K
Big Sur Trail Marathon, Half Marathon & 5 Mile
Big Sur, California, United States
September 26, 2026 SEP
Los Angeles (Simi Valley), California, United States
26SEP
ULTRA
Bandit Ultra Trail
Los Angeles (Simi Valley), California, United States
September 26, 2026 SEP
Castro Valley, California, United States
26SEP
ULTRA
Dick Collins Firetrails
Castro Valley, California, United States
September 26, 2026 SEP
Long Beach, California, United States
26SEP
21.1K
Hot Pursuit 5k, 10k, 15k, Half Marathon
Long Beach, California, United States
September 26, 2026 SEP
Napa, California, United States
26SEP
ULTRA
JP's Backyard Ultra/Hike, The Final Edition
Napa, California, United States
September 26, 2026 SEP

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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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