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Running EventsUltramarathonsCalifornia

Ultramarathons in California

Ultramarathons, or ultras, are any running races beyond the standard marathon distance of 26.2 miles (or 42.2k). The most common ultra distances are 50k, 100k, 50 miles, or 100 miles, but each event is unique in terms of distance and terrain. The International Association of Athletics Federation recognises world records at ultramarathon events that have a distance of 100km. There are even 24hr ultramarathons, where the distance is unlimited, or multiday ultras, where the distance can extend beyond 1000km. In California, there are a couple of city-based ultramarathons, but most ultras make the most of the Golden State's stunning scenery and landscapes, such as its coastlines, National Parks, mountains, and deserts. With ultra races taking such a long time complete, these views provide a welcome distraction for runners. The Western States 100-mile Endurance Race is known as one of the most beautiful events, and for the truly fearless, the Badwater Ultramarathon travels a distance of 135 miles through Death Valley.

35 events found
Crystal Springs Trail Run (Winter)

Sunday, Jan 16, 2022

Crystal Springs Trail Run (Winter)

LocationIndicator

Woodside, California

Participants

ultramarathon, marathon, half marathon

FilledTicket$45 – $75
Booking perksHilly trail
Golden Gate Trail Run (Winter)
Booked 1 time this week

Saturday, Feb 5, 2022

Golden Gate Trail Run (Winter)

LocationIndicator

Marin County, California

Participants

ultramarathon, marathon, half marathon

Star5

(22 reviews)

FilledTicket$40 – $75
Booking perksGreat atmosphereHilly trail
Redwood Trail Run (Spring)

Saturday, Apr 2, 2022

Redwood Trail Run (Spring)

LocationIndicator

Oakland, California

Participants

ultramarathon, marathon, half marathon

FilledTicket$40 – $75
Booking perksHilly trail
SPASM Lake Chabot

Saturday, Apr 16, 2022

SPASM Lake Chabot

LocationIndicator

Castro Valley, California

Participants

ultramarathon, half marathon, marathon

FilledTicket$40 – $75
Booking perksTrail
Cinderella Trail Run

Saturday, Jun 11, 2022

Cinderella Trail Run

LocationIndicator

Oakland, California

Participants

ultramarathon, marathon, half marathon

FilledTicket$40 – $75
Booking perksFlat trail
San Luis Obispo Spartan Trail 50k, Half Marathon and 10k

Sunday, Mar 13, 2022

San Luis Obispo Spartan Trail 50k, Half Marathon and 10k

LocationIndicator

Santa Margarita, California

Participants

half marathon, 10k, ultramarathon

Star4

(1 reviews)

FilledTicketPrice TBC
Great atmosphereHilly trail
Fourmidable 50k, 35k, Half Marathon & 13k

Saturday, Feb 19, 2022

Fourmidable 50k, 35k, Half Marathon & 13k

LocationIndicator

Auburn, California

Participants

ultramarathon, half marathon

FilledTicketPrice TBC
Trail
Valencia Trail Race

Saturday, Mar 26, 2022

Valencia Trail Race

LocationIndicator

Santa Clarita, California

Participants

10k, ultramarathon, half marathon

FilledTicketPrice TBC
Trail
Monterey Spartan Trail 50k, Half Marathon & 10k

Sunday, Jun 5, 2022

Monterey Spartan Trail 50k, Half Marathon & 10k

LocationIndicator

Salinas, California

Participants

10k, half marathon, ultramarathon

FilledTicketPrice TBC
Hilly trail
Avalon Benefit 50k/50 Mile Run

Saturday, Jan 8, 2022

Avalon Benefit 50k/50 Mile Run

LocationIndicator

Avalon, California

Participants

ultramarathon

FilledTicketPrice TBC
Hilly road
Jackpot Ultra Running Festival

Friday, Feb 18, 2022

Jackpot Ultra Running Festival

LocationIndicator

Henderson, Nevada

Participants

ultramarathon

FilledTicketPrice TBC
Flat road
Redtail Ridge 5k, 10k, Half, 30k, & 50k

Saturday, Feb 19, 2022

Redtail Ridge 5k, 10k, Half, 30k, & 50k

LocationIndicator

Castro Valley, California

Participants

ultramarathon, half marathon, 10k, 5k

FilledTicketPrice TBC
Great sceneryHilly trail
Salmon Falls 50K

Saturday, Feb 26, 2022

Salmon Falls 50K

LocationIndicator

Coloma, California

Participants

ultramarathon

FilledTicketPrice TBC
Trail
Way Too Cool 50K Endurance Run

Saturday, Mar 5, 2022

Way Too Cool 50K Endurance Run

LocationIndicator

Cool, California

Participants

ultramarathon

FilledTicketPrice TBC
Trail
Horseshoe Lake Trail Runs

Sunday, May 1, 2022

Horseshoe Lake Trail Runs

LocationIndicator

La Honda, California

Participants

ultramarathon, half marathon

FilledTicket$45 – $85
Hilly trail
Grizzly Peak Trail Run

Saturday, May 14, 2022

Grizzly Peak Trail Run

LocationIndicator

Berkeley, California

Participants

10k, half marathon, ultramarathon, 5k

FilledTicketPrice TBC
Hilly trail
San Lorenzo River

Saturday, Jun 18, 2022

San Lorenzo River

LocationIndicator

Santa Cruz, California

Participants

half marathon, 10k, ultramarathon

FilledTicketPrice TBC
Trail
Golden Gate Summer Trail

Saturday, Jul 9, 2022

Golden Gate Summer Trail

LocationIndicator

Mill Valley, California

Participants

ultramarathon, marathon, half marathon

Star4.5

(2 reviews)

FilledTicketPrice TBC
Great atmosphereHilly trail
Diablo Trail Run

Sunday, Sep 18, 2022

Diablo Trail Run

LocationIndicator

Clayton, California

Participants

ultramarathon, 10 miles, half marathon, marathon

FilledTicketPrice TBC
Hilly trail
Lake Chabot Trail Runs

Saturday, Nov 5, 2022

Lake Chabot Trail Runs

LocationIndicator

Castro Valley, California

Participants

ultramarathon, half marathon, marathon

FilledTicketPrice TBC
Flat trail
Rodeo Beach Trail Run

Saturday, Dec 11, 2021

Rodeo Beach Trail Run

LocationIndicator

Sausalito, California

Participants

ultramarathon

FilledTicketPrice TBC
Trail
Ordnance 100

Saturday, Feb 5, 2022

Ordnance 100

LocationIndicator

Salinas, California

Participants

ultramarathon

FilledTicketPrice TBC
Jed Smith Ultra Classic

Saturday, Feb 5, 2022

Jed Smith Ultra Classic

LocationIndicator

Sacramento, California

Participants

ultramarathon, marathon, half marathon

FilledTicketPrice TBC
Flat trail
Chanoko 50k, 31k, 5 mile trail runs

Saturday, Mar 12, 2022

Chanoko 50k, 31k, 5 mile trail runs

LocationIndicator

Granite Bay, California

Participants

ultramarathon

FilledTicketPrice TBC
Trail
Showing 1 - 24 of 35 events
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