0011
Ultra Marathons found in California in October
View all ↓Ultra Marathons in California in October 2025
Find A Race is the US's favourite event listings site. Check out our list of October 2025 Ultra Marathons in California below.
Race Calendar: Ultra Marathons found in October
πBoosted
OC United 2025 Pumpkin Run/Walk & Bike
Fullerton, California
Sat 25 Oct 25
$20.00 - $50.00
πBoosted
The Jackalope Lope
Redding, California
Sat 18 Oct 25
$91.10 - $117.60
Feature your event at the top of the results
Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!
Any Place in the World!, California
Thu 01 May 25 - Fri 31 Oct 25
Free - $27.50
Ruth Anderson Memorial Endurance Run
San Francisco, California
Sat 11 Oct 25
Free
Lake Evans Triathlon, 5k & 10k
Bakersfield, California
Sat 18 Oct 25
$49.20 - $1,051.50
The Jackalope Lope
Redding, California
Sat 18 Oct 25
$91.10 - $117.60
Lake Hodges Trail Festival
San Diego, California
Sat 18 Oct 25 - Sun 19 Oct 25
$16.90 - $154.70
Cycle of Hope
Dublin, California
Sun 19 Oct 25
Free - $160.00
2025 Cal Tri LA - 10.19.25
Playa Del Rey, California
Sun 19 Oct 25
Free - $526.00
OC United 2025 Pumpkin Run/Walk & Bike
Fullerton, California
Sat 25 Oct 25
$20.00 - $50.00
Finish The Ride and Finish The Run Santa Clarita
Valencia, California
Sun 26 Oct 25
$16.90 - $112.30
Tahoe to Malibu Annual Challenge
Anywhere, California
Mon 01 Jan 24 - Wed 31 Dec 25
$53.75
5th Annual Dia de los Muertos 75 Mile Challenge!
livermore, California
Sat 13 Sep 25 - Sun 02 Nov 25
$32.80 - $54.00
Showing 1-11 of 11 results