Great Eastern Endurance Run

Lyndhurst, United States • 1 Nov 2025

GEER, the Great Eastern Endurance Run, returns after a 15-year hiatus to Sherando Lake in Lyndhurst, Virginia, offering 40-, 20-, and 10-mile options. The course unfolds in the Blue Ridge mountains with predominantly single-track trails and remote forest roads, featuring climbs to Bald Mountain, rugged switchbacks, and scenic mountain views amid fiery fall foliage. Runners encounter a true mountain course with limited pavement and multiple aid stations; drop-bag and crew access are organized, with strict cutoffs to ensure safety. The event is presented by Bad to the Bone Sports and celebrates trail-running community, delivering a challenging, immersive ultrarunning experience and a supportive community. Visit the organization's website for the most recent information.

Race information

40 mi
40 Miles
20 mi
20 Miles
10 mi
10 Miles
Visit the organization's website for the most recent information.
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