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Additional race information can be found at http://www.toughmountain.com.
The 2019 Tough Mountain Challenge is on Saturday, July 27 and is limited to 3,600 competitors. Sign up for heats that run every 10 minutes starting at 8AM; with the last heat starting at 2:40PM and are limited to 100 competitors each. Heat selection is made by the competitor at the time of registration based on availability.
The Tough Mountain X is SOLD OUT.
If you have any questions about this race, click the button below.Questions?