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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.

15 events found
Silver Moon Race Reedley

Saturday, 8 Apr 2023

Silver Moon Race Reedley

LocationIndicator

Reedley, California

Participants

ultramarathon

Star5

(1 reviews)

FilledTicket$90 – $200
Booking perksGreat atmosphereTrail
Heart
Valencia Trail Race

Saturday, 15 Apr 2023

Valencia Trail Race

LocationIndicator

Santa Clarita, California

Participants

10k, ultramarathon, half marathon

FilledTicket$120 – $180
Booking perksTrail
Heart
Oriflamme 50k

Saturday, 15 Apr 2023

Oriflamme 50k

LocationIndicator

Julian, California

Participants

ultramarathon

Star4.5

(1 reviews)

FilledTicketPrice TBC
Great atmosphereTrail
Heart
John Wayne Grit Series Newport Coast 50k, 25k & 5k

Saturday, 22 Apr 2023

John Wayne Grit Series Newport Coast 50k, 25k & 5k

LocationIndicator

Laguna Beach, California

Participants

5k, ultramarathon

FilledTicketPrice TBC
Hilly trail
Heart
Sierra Azul Trail Challenge

Saturday, 29 Apr 2023

Sierra Azul Trail Challenge

LocationIndicator

San Jose, California

Participants

ultramarathon, marathon, half marathon, 5k

FilledTicketPrice TBC
Hilly trail
Heart
Sly Park Lake Trail Run

Saturday, 13 May 2023

Sly Park Lake Trail Run

LocationIndicator

Pollock Pines, California

Participants

5k, 10k, half marathon, marathon, ultramarathon

FilledTicketPrice TBC
Great sceneryFlat trail
Heart
The Pacific Crest Trail 50 Miles

Saturday, 13 May 2023

The Pacific Crest Trail 50 Miles

LocationIndicator

San Diego, California

Participants

ultramarathon

FilledTicketPrice TBC
Trail
Heart
Mt. Umunhum Ultras

Saturday, 10 Jun 2023

Mt. Umunhum Ultras

LocationIndicator

San Jose, California

Participants

ultramarathon, marathon, half marathon, 10k, 5k

FilledTicketPrice TBC
Hilly trail
Heart
Running with the Devil

Saturday, 17 Jun 2023

Running with the Devil

LocationIndicator

Las Vegas, Nevada

Participants

ultramarathon, marathon, half marathon, 10k, 5k

FilledTicketPrice TBC
Flat road
Heart
Tahoe 100k

Saturday, 17 Jun 2023

Tahoe 100k

LocationIndicator

Stateline, Nevada

Participants

ultramarathon

FilledTicketPrice TBC
Great sceneryHilly trail
Heart
Rancho Hills Trail Run

Saturday, 8 Jul 2023

Rancho Hills Trail Run

LocationIndicator

Morgan Hill, California

Participants

5k, 10k, half marathon, ultramarathon, marathon

FilledTicketPrice TBC
Trail
Heart
The Peak 50k, Marathon & Half Marathon

Saturday, 15 Jul 2023

The Peak 50k, Marathon & Half Marathon

LocationIndicator

San Diego County, California

Participants

ultramarathon, marathon, half marathon

FilledTicketPrice TBC
Hilly trail
Heart
Kirkwood's Thunder Mountain Trail Challenge

Saturday, 22 Jul 2023

Kirkwood's Thunder Mountain Trail Challenge

LocationIndicator

Markleeville, California

Participants

half marathon, 10k, 5k, marathon, ultramarathon

FilledTicketPrice TBC
Great sceneryTrail
Heart
Kirkwood’s Ultras

Saturday, 5 Aug 2023

Kirkwood’s Ultras

LocationIndicator

Kirkwood, California

Participants

ultramarathon, 5k, half marathon, 10k

FilledTicketPrice TBC
Hilly trail
Heart
The Lake Hodges Trail Runs

Saturday, 21 Oct 2023

The Lake Hodges Trail Runs

LocationIndicator

San Diego, California

Participants

ultramarathon, 10k, 5k

FilledTicketPrice TBC
Heart
Showing 1 - 24 of 24 events
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