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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
Anywhere, California, United States
16OCT
42.2K
Lakeside Marathon
Anywhere, California, United States
October 16, 2026 OCT
Canoga Park, California, United States
17OCT
21.1K
Back to the Future: 88 MPH Dash 5K, 10K & Half
Canoga Park, California, United States
October 17, 2026 OCT
Anywhere, California, United States
17OCT
42.2K
Cal-Neva Marathon
Anywhere, California, United States
October 17, 2026 OCT
Los Angeles, California, United States
17OCT
21.1K
Dam Spooky 5k, 10k, 15k, Half Marathon
Los Angeles, California, United States
October 17, 2026 OCT
Walnut Creek, California, United States
17OCT
21.1K
Diablo Summit Stomp 2026
Walnut Creek, California, United States
October 17, 2026 OCT
Cool, California, United States
17OCT
ULTRA
Heart of Cool Trail Run
Cool, California, United States
October 17, 2026 OCT
San Diego, California, United States
17OCT
ULTRA
Lake Hodges Trail Festival
San Diego, California, United States
October 17, 2026 OCT
Aqua Dulce, California, United States
17OCT
21.1K
SPACEROCK Trail Race
Aqua Dulce, California, United States
October 17, 2026 OCT
Julian, California, United States
17OCT
ULTRA
The Peak 50K, Marathon & Half Marathon
Julian, California, United States
October 17, 2026 OCT
San Luis Obispo, California, United States
18OCT
21.1K
City to the Sea Half Marathon & 5K
San Luis Obispo, California, United States
October 18, 2026 OCT
Half Moon Bay, California, United States
18OCT
21.1K
48th Annual Pumpkin Run by Senior Coastsiders October 18, 2026
Half Moon Bay, California, United States
October 18, 2026 OCT
Chico, California, United States
18OCT
ULTRA
Fleet Feet Fall Classic - Trail October 18th, 2026
Chico, California, United States
October 18, 2026 OCT
Santa Clarita, California, United States
18OCT
42.2K
Jeepers Creepers Marathon
Santa Clarita, California, United States
October 18, 2026 OCT
California, United States
18OCT
ULTRA
Lake Tahoe Marathon Events
California, United States
October 18, 2026 OCT
Riverside, California, United States
18OCT
42.2K
Mission Inn Run
Riverside, California, United States
October 18, 2026 OCT
Huntington Beach, California, United States
18OCT
ULTRA
Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
Huntington Beach, California, United States
October 18, 2026 OCT
Escondido, California, United States
23OCT
ULTRA
San Diego 200
Escondido, California, United States
October 23, 2026 OCT
Saint Helena, California, United States
24OCT
42.2K
Napa Fall Wine Country Marathon, Half Marathon, 10K, & 5K
Saint Helena, California, United States
October 24, 2026 OCT
Pilot Hill, California, United States
24OCT
21.1K
Acorn Creek Trail Run
Pilot Hill, California, United States
October 24, 2026 OCT
Bakersfield, California, United States
24OCT
21.1K
Dia De Los Muertos Half Marathon & 5K Run/Walk (Bakersfield)
Bakersfield, California, United States
October 24, 2026 OCT
Malibu, California, United States
24OCT
21.1K
Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K
Malibu, California, United States
October 24, 2026 OCT
Oakland, California, United States
24OCT
42.2K
Oakland Hills Trail Run
Oakland, California, United States
October 24, 2026 OCT
Long Beach, California, United States
24OCT
21.1K
RunThrough USA Long Beach 5k,10k & Half Marathon Race
Long Beach, California, United States
October 24, 2026 OCT
Pollock Pines, California, United States
24OCT
ULTRA
Trail Run at Sly Park - Fall
Pollock Pines, California, United States
October 24, 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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