The Perimeter

Teton County, Wyoming, United States

63.3 miles (101.9 km) · 7,112 ft elevation gain · Loop · trail · Route

The Perimeter is a 63.3 mile loop route located in Teton County, Wyoming, United States. The route climbs 7,112 feet and descends 7,058 feet. The largest climb extends 6.3 miles, gaining 4,451 feet. The course averages 116 feet of vertical gain per mile. 80% of the route can be run, with walking required on steeper grades. Surface conditions are primarily trail. Terrain difficulty is rated as very hilly. Difficulty is rated 12.6 out of 10, placing it in the 72.78th percentile. This route serves both trail runners training for ultras and hikers exploring Wyoming.