Skull Gravel Grinder

America’s gnarliest gravel race. The Skull Gravel Grinder is a community-powered event that features 30- and 60-mile routes (Due to extensive fire damage on the Malheur National Forest, the 120 mile route is cancelled but will be back in 2027.) that traverse open high desert, wind through rugged canyon terrain, and climb steep, forest-lined stretches. The challenging course offers riders an immersive experience in Eastern Oregon’s vast and varied landscape.

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The Skull Gravel Grind route highlights the county's rugged character which sets rural Eastern Oregon apart from the rest of the nation. From long mountainous ascents, to teeth-chattering and eye watering descents, breathtaking vistas, open rangeland, alpine forests, two stream crossings, and - of course - cattle guard after cattle guard, this gravel grind is a feat to finish and a testament to the rider's grit and determination.​​

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Routes traverse miles of Bureau of Land Management and US Forest Service public lands, official partners of the Skull 120/60/30. Even the Skull’s longest miles only scratch the surface of Harney County’s vast landscape. Turn race day into a long weekend – or settle in for a full week – and give yourself time to experience more of the “emptiest place in the lower 48.”

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This is a not-for-profit event. The vast majority of registration fees cover the cost of administering this race. Additional proceeds benefit the Harney County Chamber of Commerce.