One of the hardest courses on the East Coast, Grindstone challenges and pushes runners to test their limits. With a highly technical course, runners will overcome high elevation, ridges, peaks, valleys, and all the grit the Shenandoah Valley has to offer. Think you have what it takes to take on this terrain? Push yourself and take in all the breathtaking experiences this running festival provides.

Set during peak fall foliage, the Shenandoah Valley captures all the beauty the East Coast has to offer. With miles through the George Washington and Jefferson National Forest, runners will take in peaks, valleys, sunrises, and sunsets. Runners will take the trail through the diverse wildlife as they climb the Appalachian Mountains and trek along the ridge to stunning views. With 3 unique courses including the 100M, and all-new 100K and 21K distances, there is an adventure for every runner, introducing new runners to the trail community.

Let the Shenandoah Valley be your next run-cation. Between the Blue Ridge Mountains and the Alleghanies, the Shenandoah Valley is full of fresh-air adventure around every turn. Run through ridges, peaks, valleys, and take in the stunning views while surrounded by fall foliage. The winding trails will give you the top views for sunrises and sunsets. But it doesn't stop there. Once you're done your race, you can take in the surrounding towns and all of the unique experiences they have to offer.

Get gritty in Grindstone and earn your stones. Qualify for the iconic UTMB World Series Finals through this epic race.