Suffolk County, Massachusetts, United States
58.2 miles (93.6 km) · 5,513 ft elevation gain · Loop · trail · Route
The Sky to Sky to Sky - Boston is a 58.2 mile route in Suffolk County, Massachusetts, United States. The course features 5,420 feet of elevation gain and 5,420 feet of descent. The most significant ascent covers 4.7 miles and gains 48 feet. Vertical rate measures 100 feet of gain per mile. Approximately 85% of the route is runnable. The route follows trail surfaces. Technical difficulty: very hilly. This route ranks at the 41.28th percentile for difficulty among similar distances. This loop route attracts trail runners and hikers exploring Massachusetts's mountain terrain.
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