Feed your sense of adventure and join the GRINDSTONE RUNNING FESTIVAL
BY UTMB. This one-of-a-kind event takes you through acres of national
forest in the Shenandoah Valley on an iconic RUNNING ADVENTURE
COMPLETE WITH STUNNING FALL FOLIAGE, mountain views, and demanding
terrain. With a 100M, 100K, and 21K, there’s a new challenge for
every runner. Join this feat to push your endurance, get gritty, earn
your stones, and qualify for the iconic UTMB® World Series
Finals.STEP UP TO THE CHALLENGE
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.
MOST SCENIC AND UNIQUE COURSES ON THE EAST COAST
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.
DESTINATION SHENANDOAH
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.
TRIPLE QUALIFIER
Grindstone Trail Running Festival by UTMB is a triple qualifier for
UTMB Mont-Blanc, Western States Endurance Run and the Hardrock Hundred
Mile Endurance Run. Join the fun on the East Coast and run to qualify
for the opportunity to compete in three of of the most iconic races in
the trail running space.
UTMB CARES US
Through UTMB Cares US, we have set out to achieve something
extraordinary by caring for the amazing environments that host our
trail events. UTMB Cares US is a program of The IRONMAN Foundation.
Since 2003, over $55 million has been provided through IRONMAN and
IRONMAN Foundation charitable giveback programs to more than 10,000
local, regional, national, and global nonprofit initiatives. Including
$50,000 in grant funding for clean-up and restoration efforts of the
Western States Trail, enjoyed by The Canyons Endurance Runs by
UTMB®️ runners, in partnership with Western States Endurance Run
and The Tevis Cup. Together, we are on a quest to engage our community
and care for our race surroundings through grant funding and
volunteerism efforts.
100M
With approximately 21,000’ of vertical gain that includes monster
climbs and the solitude of single-track ridge running, the Grindstone
100-mile race is considered by many to be the most incredible
‘hundo’ east of the 100th meridian.
100K
Offering 11,000’ of vertical gain, adventure awaits as you
experience some of the most scenic and challenging sections of the
100-mile course in this 100K version of Grindstone by UTMB.
50K
With just over 5000’ of climbing, the Grindstone 50k offers a
challenging and scenic course combining gorgeous single track with
some fire road running as you get a little taste of both 100k and
100-mile courses.
21K
The Grindstone half marathon course throws a killer climb, a fun ridge
run, and a bombing downhill at you, all while still offering a blazing
fast start and finish for those interested in a little taste of
everything!
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22/09/2025 Last update