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Cloudsplitter 100

📅 October 11, 2027 (estimated date)📍 Norton · United States🏅 since 2014

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (October 12, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

97.9 mi68.8 mi31.1 mi15.5 mi

Races on the programme

RaceDistanceElevation gain
Trail 97,87 mi97.9 mi18,406 ft
Trail 68,85 mi68.8 mi12,008 ft
Trail 31,07 mi31.1 mi7,441 ft
Trail 15,53 mi15.5 mi3,727 ft

About

The Cloudsplitter 100 takes place in Norton, Massachusetts, deep in mountain forest on wild, remote trails. Runners can choose from four distances: 25K (15.5 miles), 50K (31 miles), 100K (62 miles), and 100 miles.

Highlights

  • Off-road
  • Forest
  • Mountain
  • High altitude
D-338

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Races nearby

Other upcoming races around Norton.