Berkshire County, Massachusetts, United States
28.4 miles (45.8 km) · 7,395 ft elevation gain · Loop · trail · Route
Tour du Greylock (MA) covers 28.4 miles across Berkshire County, Massachusetts, United States. Runners face 7,395 feet of climbing with 7,405 feet of loss. The largest climb extends 5.5 miles, gaining 2,297 feet. The course averages 262 feet of vertical gain per mile. The course is 48% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Terrain difficulty is rated as mountainous. Difficulty is rated 16.0 out of 10, placing it in the 80.42th percentile. Popular among trail runners and hikers seeking Massachusetts adventures.
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