King County, Washington, United States
20.9 miles (33.6 km) · 10,997 ft elevation gain · Point to Point · trail · Route
Mailbox - Granite Linkup (WA) covers 20.9 miles across King County, Washington, United States. Runners face 11,017 feet of climbing with 9,934 feet of loss. The most significant ascent covers 8.9 miles and gains 4,691 feet. Vertical rate measures 528 feet of gain per mile. The course is 24% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Technical difficulty: mountainous. This route ranks at the 89.84th percentile for difficulty among similar distances. Popular among trail runners and hikers seeking Washington adventures.
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