Marathons in California, United States
216 upcoming races are listed in California, including 58 marathons, 176 half marathons and 71 ultras. The next is Spooky Shuffle – 5k, 10k, Half Marathon on October 25, 2026.
November has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
216
Races listed
58
Marathons
November
Busiest month
16 Jun
Last updated
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Cities
Common questions
When is the next race in California?
Spooky Shuffle – 5k, 10k, Half Marathon on October 25, 2026. The table above lists every upcoming race in date order.
Which months are busiest in California?
November (54), December (43), April (22), counting every upcoming race listed in California.
Which distances can I run in California?
The listed races include 58 marathons, 176 half marathons, 71 ultras, 131 10Ks and 136 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source