Saturday, Jul 27, 2024

Lost Sierra Endurance Race

Downieville, CA 100K, 50K

Registration closes: Wed, Jul 24 @ 11:59PM PT


Welcome to the Lost Sierra Endurance Race, a thrilling endurance experience set against the stunning backdrop of the Sierra Buttes in Downieville, CA, taking place on July 27th, 2024. Choose your challenge with our 50KM and 100KM races, both promising an unforgettable journey through the heart of the Sierra Nevada mountains.

The flagship 100KM race embarks on an exhilarating out-and-back adventure, navigating the scenic Third Divide Trails, Pacific Crest Trail, and Lakes Basin Trails. This challenging course leads runners from the charming town of Downieville to downtown Graeagle, offering panoramic views of the northern Sierra Nevada mountains. The route then doubles back, ensuring participants experience the full splendor of this breathtaking region.

For those opting for the 50KM race, the adventure begins in Graeagle, traversing the same awe-inspiring course and finishes in downtown Downieville.

Get ready for an immersive experience with constant high sierra running, allowing you to soak in the spectacular vistas of the Sierra Nevada. Join us on July 27th for the Lost Sierra Endurance Race, where every step is a journey, and every view is a masterpiece.

Presented by: Bad Luck Run Club and Skybreaker Racing


Our 100K distance is an out-n-back course starting in downtown Downieville, traveling up towards the Sierra Buttes then turning north to Graeagle where the turnaround is. There are 5 unique aid stations (a total of 9 stops along the course) with two crew access points, one at Lavazzo Rd (mile 5 & 54) and one at Graeagle (mile 30). Due to the remoteness of the course and lack of access points, pacers are not allowed.

Start Location: Downieville, CA


Our 50K distance is an point to point course starting in downtown Graeagle, traveling up towards the Sierra Buttes then turning south to Downieville where the finish is. There are 4 unique aid stations with crew access at Lavazzo Rd (mile 23). Runners will be shuttled from Downieville to Graeagle to start the race.

Start Location: Graeagle, CA

Refund Protection

The relevant and many stakeholder agencies have given us a tentative go ahead on opening race registration. We are confident that the race will take place in the current form. If for whatever reason we are unable to host the event in any form, we offer a 100% refund to paid participants who register prior to March 1st, 2024 (minus UltraSignup fees). Those who sign up beyond March 1st, we will offer a limited and yet to be determined cash refund and a credit towards another BLRC event for paid participants only.

Cut Offs

Overall cut off times are as follows
50K: 10:00:00 or 6:00PM (19:20 min/mile pace)
100K: 17:30:00 or 11:30PM (16:54 min/mile pace)

Event's current local time: 12:59 PM PT

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