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Trail ultra

Grindstone 100

Swoope, USA · 24 Sep 2027

Registration: dates not announced yet.

Track this raceHow to enter ↗

Free. Get its checklist, entry dates and reminders in the My Dream Race app.

How to get in

Direct first-come registration through UTMB, no lottery. Runners with a UTMB Index have had a short priority window before general sales. 100 mile entrants must do 8 hours of trail work or pay a $225 buyout.

First-come (UTMB World Series) · Fills: Usually has space

Race facts

Race date
24 Sep 2027
Location
Swoope, USA
Distance
167 km
Climb
6,400 m
Time limit
36 h

Entry windows

  • RegistrationDates not announced yetRegistration for 24 Sep 2027 'will open soon' per the official site.

Official site ↗How to enter ↗

Based on the race's usual pattern. Not yet confirmed for this cycle. Always confirm on the race's site before you enter.

Never miss the window

Track Grindstone 100 in My Dream Race to see its entry dates on your season timeline, tick off what it takes, and add the deadline to your calendar.

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