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167.4 kmTrail🇺🇸 Swoope, United States

Grindstone 100

Friday, 24 September 2027In 11 months · Start 18:00

Official site

An evening-start 100-miler in Virginia's George Washington National Forest, climbing about 21,000 ft over Appalachian ridges to Elliott's Knob and back to Natural Chimneys Park.

Something out of date? Suggest a correction · Organizer of this race?

Facts checked 10 Oct 2026 against grindstone.utmb.world, grindstone.utmb.world.

Elevation gain
6,400 m
Mountain · ↓ 6,400 m
Start altitude
436 m
above sea level, from terrain data
Temp at start
22°C
Peaks around 22°C
Entry fee
≈ $400
Open entry
Finishers
—
typical year
Course
Loop
36h cut-off
Getting thereFly into IAD (Dulles), about 155 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 6,400 m of climbing and 6,400 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start
22°C
Peak during race
22°C
Humidity
75%
Chance of rain
24%
Wind
8 km/h

Race day in past years

Historical averages for 24 September ±3 days, 2016–2025, from 18:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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Plan your trip

Searches are set for Swoope and the race weekend.

Hotels near the start lineClosest first · 2027-09-23 → 2027-09-25Booking.com Flights to SwoopeArrive 2027-09-22, fly home 2027-09-26Google Flights Things to do in SwoopeTours and attractions in United States for the days around the raceGetYourGuide

Gear for this race

Trail running shoesGrip for the unpaved sectionsHydration vestCarry water and food between aid stationsElectrolyte tabletsIt often reaches 22°C during the raceRunning headlampFor early starts and running into the night

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