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    • Ultra marathons in California, United States

    United States
    California

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    184 races

    San Francisco Marathon

    San Francisco Marathon

    Jul 26-27, 2025 (Sat-Sun)

    San Francisco, California, United States

    1.6

    52mi
    Folsom 100

    Folsom 100

    Aug 1, 2025 (Fri)

    Granite Bay, California, United States

    2 - 2.7

    $269.75 - $429.5

    54mi
    100mi
    Angeles Crest

    Angeles Crest

    Aug 2, 2025 (Sat)

    Wrightwood, California, United States

    2.7

    $450.8

    100mi
    Rodeo Valley Trail Run

    Rodeo Valley Trail Run

    Aug 2, 2025 (Sat)

    Sausalito, California, United States

    1.1

    $135

    50K
    Skyline 50K Endurance Run

    Skyline 50K Endurance Run

    Aug 3, 2025 (Sun)

    Castro Valley, California, United States

    $168.57

    50K
    Skyline 50K

    Skyline 50K

    Aug 3, 2025 (Sun)

    San Leandro, California, United States

    1.1

    50K
    Marlette Lake Tahoe 50K Trail Run

    Marlette Lake Tahoe 50K Trail Run

    Aug 9, 2025 (Sat)

    Lake Tahoe, United States, California, United States

    50K
    South Bay 24

    South Bay 24

    Aug 15, 2025 (Fri)

    San Diego, California, United States

    6h
    12h
    24h
    The Bulldog Ultra

    The Bulldog Ultra

    Aug 16, 2025 (Sat)

    Calabasas, California, United States

    1.1

    $221.82

    50K
    Almaden Hills Trail Run

    Almaden Hills Trail Run

    Aug 16, 2025 (Sat)

    San Jose, California, United States

    1.6

    $131

    50K
    Tamalpa Headlands 50K

    Tamalpa Headlands 50K

    Aug 16, 2025 (Sat)

    Mill Valley, California, United States

    1.1

    $211.17

    50K
    Redwood Trail Run

    Redwood Trail Run

    Aug 16, 2025 (Sat)

    Oakland, California, United States

    50K
    Trail Run at Sly Park

    Trail Run at Sly Park

    Aug 23, 2025 (Sat)

    Pollack Pines, California, United States

    1.3

    $125.8

    50K
    Run-de-Vous

    Run-de-Vous

    Aug 29, 2025 (Fri)

    San Martin, California, United States

    1.2 - 2.5

    $85 - $280

    50K
    50mi
    100K
    100mi
    Crystal Springs

    Crystal Springs

    Aug 31, 2025 (Sun)

    Woodside, California, United States

    1.2

    50K
    Mendocino Running Festival

    Mendocino Running Festival

    Sep 6, 2025 (Sat)

    Mendocino, California, United States

    $135 - $155

    6h
    12h
    China Peak Running Festival

    China Peak Running Festival

    Sep 6, 2025 (Sat)

    Lakeshore, California, United States

    1.3

    $163.25

    50K
    Noble Canyon

    Noble Canyon

    Sep 6, 2025 (Sat)

    Pine Valley, California, United States

    1.2

    50K
    Tanri Lake Race

    Tanri Lake Race

    Sep 6, 2025 (Sat)

    Miramonte, California, United States

    10h
    Diablo Trail Run

    Diablo Trail Run

    Sep 7, 2025 (Sun)

    Clayton, California, United States

    1.4

    50K
    Berkeley Trail Adventure

    Berkeley Trail Adventure

    Sep 13, 2025 (Sat)

    Berkeley, California, United States

    1.2

    $157.92

    50K
    South Hills Single Track Trail Run

    South Hills Single Track Trail Run

    Sep 13, 2025 (Sat)

    San Jose, California, United States

    1.3

    $136.2

    50K
    Mammoth Trail Fest

    Mammoth Trail Fest

    Sep 18-20, 2025 (Thu-Sat)

    Mammoth Lakes, California, United States

    1.2

    $227.15

    50K
    51mi
    That's No Moon Trail Races

    That's No Moon Trail Races

    Sep 20, 2025 (Sat)

    Silverado, California, United States

    1.4 - 1.9

    $157.92 - $184.55

    50K
    50mi
    J Treequinox

    J Treequinox

    Sep 20, 2025 (Sat)

    Joshua Tree, California, United States

    $136.62

    12h

    Showing 26 - 50 of 184 events