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Grindstone Trail Running Festival by UTMB 2027

Mt. Solon, United States · September 23 – 26, 2027

Grindstone Trail Running Festival by UTMB 2027 (Mt. Solon, United States) is a trail running event held on September 23 – 26, 2027, with 4 races: Grindstone 100M (167km), Grindstone 100K (100km), Grindstone 50K (50.0km), and Grindstone 21K (21.0km).

Official websitegrindstone.utmb.world

Races and distances

RaceDistanceD+ / D−StartStatus
Grindstone 100M167km6400m+September 24, 06:00 PMScheduled
Grindstone 100K100km3350m+September 25, 06:00 AMScheduled
Grindstone 50K
50.0km
1550m+
September 25, 07:00 AM
Scheduled
Grindstone 21K21.0km500m+September 25, 08:00 AMScheduled

Other editions of Grindstone Trail Running Festival by UTMB2026·2025