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Ultra Marathons found in California
View all ↓Ultra Marathons in California 2026 - 2027
The most comprehensive list of Ultra Marathons in and near California in 2026 - 2027. Find your perfect race!
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Race Calendar: Ultra Marathons found in California
πBoosted
Mile Madness Endurance Run
Auburn, California
Fri 24 Sep 27 - Mon 27 Sep 27
$91.10 - $472.45
πBoosted
Avalon Benefit 50 Mile/50K Run
Avalon, California
Sat 09 Jan 27
$178.25 - $486.95
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Shaver Lake Mile High Triathlon
Shaver Lake, California
Sun 12 Sep 27
$70.40 - $1,051.50
Chupacabra 5K. 10K. 18 Miler & 50K
Long Beach, California
Sat 18 Sep 27
$43.40 - $91.10
Mile Madness Endurance Run
Auburn, California
Fri 24 Sep 27 - Mon 27 Sep 27
$91.10 - $472.45
2027 Cal Tri LA - 10.3.27
Playa Del Rey, California
Sun 03 Oct 27
$42.19 - $526.00
Hill Valley 88 Miler β’
Hill Valley, California
Mon 04 Oct 27
$16.90 - $94.28
Lake Hodges Trail Festival
San Diego, California
Sat 16 Oct 27
$16.90 - $117.60
Finish The Ride and Finish The Run Santa Clarita
Valencia, California
Sun 31 Oct 27
$11.60 - $96.40
2027 Optimism Cal Tri Newport Dunes - 11.7.27
Newport Beach, California
Sun 07 Nov 27
$42.19 - $788.50
Face In Water Endurance Multisport Challenge 2026
San Diego, California
Thu 01 Jan 26 - Thu 31 Dec 26
$54.00
AERC Mileage Challenge
Auburn, California
Tue 22 Sep 26 - Mon 30 Nov 26
$43.40
Miles For Meals Virtual Triathlon and Virtual Marathon
Sacramento, California
Sun 01 Nov 26 - Tue 01 Dec 26
$96.40 - $107.00
Solvang Double Century
Buellton, California
Sat 03 Apr 27
$201.34
Paiute Meadows Trail Run
Susanville, California
Sat 08 May 27
$48.70 - $133.50
2027 Morro Bay Triathlon & 5K
Morro Bay, California
Sun 07 Nov 27
$59.30 - $234.20
Showing 41-54 of 54 results