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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.

Nearby Ultramarathons in California

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All ultramarathons in California
20 events found
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Date
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  • 9OCT

    Lake Tahoe Marathon

    Running South Lake Tahoe
    72.0 mi • 52.4 mi • 26.2 mi • 16.4 mi • 13.1 mi • 6.2 mi • 3.1 mi
    $54 – $155
  • 19SEP

    Golden Gate (Summer)

    Running Mill Valley
    31.1 mi • 26.2 mi • 18.6 mi • 13.1 mi • 5.0 mi
    $45 – $75
    (2)
  • 9AUG

    Marlette Lake Tahoe 50K & 10 Miles Trail Run

    Running Carson City
    31.1 mi • 10.0 mi
    $85 – $120
    (1)
  • 23AUG

    Diablo Trail Run

    Running Clayton
    31.1 mi • 26.2 mi • 13.1 mi • 10.0 mi • 4.0 mi
    $20 – $75
  • 7NOV

    Lake Chabot

    Running Castro Valley
    31.1 mi • 26.2 mi • 13.1 mi • 5.0 mi
    $40 – $70
  • 5SEP

    Cirque du Griffith Park 6/12/24 Runs

    Ultramarathon Los Angeles
    100.0 mi
  • 24OCT

    Vista Verde Skyline Run

    Running La Honda
    31.1 mi • 26.2 mi • 13.1 mi • 6.2 mi
    $50 – $80
  • 14AUG

    Kodiak Ultra Marathons

    Ultramarathon Big Bear Lake
    100.0 mi • 50.0 mi • 31.1 mi
  • 10OCT

    Bizz Johnson Trail Races

    Running Susanville
    31.1 mi • 26.2 mi • 13.1 mi • 6.2 mi
    $30 – $85
  • 8AUG

    Coastal 50K & Marathon

    Running Stinson Beach
    31.1 mi • 26.2 mi
  • 29AUG

    Tamalpa Headlands 50K

    Ultramarathon Muir Beach
    31.1 mi
  • 22AUG

    The Castle Peak 100K

    Ultramarathon Truckee
    62.1 mi
  • 14NOV

    Valley of Fire Backcountry

    Running Las Vegas
    31.1 mi • 26.2 mi • 13.1 mi • 6.2 mi • 3.1 mi
  • 7DEC

    Spooner's Cove

    Ultramarathon San Luis Obispo County
    31.1 mi • 23.0 mi • 15.5 mi • 8.1 mi • 5.0 mi
    $30 – $70
  • 10OCT

    Ruth Anderson Memorial Endurance Run

    Ultramarathon San Francisco
    62.1 mi • 50.0 mi • 31.1 mi
  • 17OCT

    Rocky Peak Ultra Trail Race

    Ultramarathon Simi Valley
    31.1 mi • 18.6 mi • 9.3 mi
  • 22AUG

    Bulldog Trail Runs 50K & 25K

    Ultramarathon Calabasas
    31.1 mi • 15.5 mi
  • 24OCT

    The Lake Hodges Trail Fest

    Running San Diego
    31.1 mi • 9.3 mi • 3.1 mi • 1.0 mi
  • 8AUG

    Golden Gate

    Running Sausalito
    31.1 mi • 26.2 mi • 18.6 mi • 13.1 mi • 5.0 mi
  • 9AUG

    Marlette 50K

    Running Carson City
    31.1 mi • 10.0 mi
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Showing 1 - 20 of 20 events

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