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Ultra Marathons Found In San Francisco, California

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Ultra Marathons in & near San Francisco, California 2025 - 2026

The most comprehensive list of Ultra Marathons in and near San Francisco, California in 2025 - 2026. Find your perfect race!

Race Calendar: Ultra Marathons Found In San Francisco, California

πŸš€Boosted

Ruth Anderson Memorial Endurance Run

San Francisco, California
11 Oct 25
Free
πŸš€Boosted

Diablo Trail Run

Clayton, California
07 Sep 25
Free - $85.80
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Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!

Any Place in the World!, California
01 May 25 - 31 Oct 25
Free - $27.50

San Lorenzo River Trail Run

Santa Cruz, California
12 Jul 25
Free - $85.80

Redwood (Summer) Trail Run

Oakland, California
16 Aug 25
Free - $85.80

SPASM Crystal Springs Trail Run

Woodside, California
31 Aug 25
Free - $85.80

Diablo Trail Run

Clayton, California
07 Sep 25
Free - $85.80

JP's Backyard Ultra/Hike

Napa, California
27 Sep 25
Free

Ruth Anderson Memorial Endurance Run

San Francisco, California
11 Oct 25
Free

Cycle of Hope

Dublin, California
19 Oct 25
Free - $120.00

Lake Chabot Trail Run

Castro Valley, California
08 Nov 25
Free - $85.80

New Year's One Day

San Jose, California
31 Dec 25 - 01 Jan 26
$85.80 - $197.10
Showing 1-10 of 10 results