Perimeter Trail

MD, USA

9.7 miles (15.6 km) · 451 ft elevation gain · Loop · trail · Route

Perimeter Trail is a 9.7-mile loop route in MD, USA, gaining 451 feet of elevation. The route follows a up-and-over elevation profile. The terrain breaks into 4 distinct sections including 1 significant climb. The longest climb covers 4.0 miles gaining 251 feet at an average 0.4% grade. Nearly the entire route is runnable at a steady effort. The route opens with a climb and finishes with a gradual climb.

Route facts

Distance	9.7 mi (15.6 km)
Elevation gain	451 ft (138 m)
Average gain	47 ft per mile (9 m per km)
Longest climb	2.7 mi, 115 ft of gain
Steepest climb grade	6.7%
Runnable	98% of the route
Climbs / descents	1 climbs, 0 descents
Profile shape	Up, then down
Difficulty score	1.4 of 100
Surface	trail
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	29%
Mild uphill	35%
Moderate uphill	2%
Mild downhill	31%
Moderate downhill	3%

Questions about Perimeter Trail

How much elevation gain does Perimeter Trail have?

Perimeter Trail has 451 ft (138 m) of elevation gain over 9.7 miles (15.6 km). That averages 47 ft of gain per mile.

How difficult is Perimeter Trail?

The difficulty score for Perimeter Trail is 1.4 of 100. That is harder than 17.7% of routes at a similar distance. About 98% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Perimeter Trail?

The longest climb on Perimeter Trail runs 2.7 miles (4.4 km) and gains 115 ft (35 m). The steepest climb grade on the route is 6.7%.