Boundiful Endurance Runs

NOV
28-29
2026
One mile loop ultra on hardpacked dirt with timed 3, 6, 12 and 24 hour options plus relay teams. Live chip timing, free on course camping, continuous food service, and a 31 hour buckle challenge to reach 100 miles.
28-29 Nov 2026
100 miles

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Boundiful Endurance Runs : Negative Split Running

Boundiful Endurance Runs is an ultra endurance event held on a Southern California fruit and nut farm. The course is a one mile loop with a wide, 100% hardpacked dirt surface; there is no gravel, asphalt, or sidewalk on the loop.

Event formats include:

  • 3-hour, 6-hour, 12-hour, and 24-hour endurance run options

Relay teams of two or more may participate. The event is chip timed with live web tracking and lap-by-lap progress visible onsite.

A buckle is awarded to individuals who complete 100 miles within the 31 hour window. Runners who reach 80 miles during the initial 24 hours receive an additional seven hours to attempt the 100 mile mark. Aid and vehicle access are never more than half a mile from any point on the course.

On-course amenities include free camping on the loop for tents, RVs, or trailers; rental tents and tables are offered during registration. A power station is available for charging devices. Real food is available throughout the event, with smoothies served during daytime hours and hot drinks at night; a microwave is provided. The event includes a timed Pumpkin Mile with recorded results and a prize for the fastest time. All registrations and fees are non-refundable and non-transferable. The event is ranking eligible. Visit the organization's website for the most recent information.

100 mi
100 Mile
Pumpkin Mile
12 Hour
24 Hour
3 Hour
6 Hour

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