Northern Glacier Loop

Babb, Montana, United States

50.7 miles (81.5 km) · 11,539 ft elevation gain · Loop · Route

How long it takes

Moving time for a runner at each flat-ground pace, from the grade of every 100 m of the route. Stops are not included.

Flat-ground pace	Moving time
8:00/mi (4:58/km)	11 h 32 min
10:00/mi (6:13/km)	14 h 25 min
12:00/mi (7:27/km)	17 h 18 min
14:00/mi (8:42/km)	20 h 11 min

Route facts

Distance	50.7 mi (81.5 km)
Elevation gain	11,539 ft (3,517 m)
Average gain	228 ft per mile (43 m per km)
Longest climb	7.0 mi, 2,255 ft of gain
Steepest climb grade	42.6%
Runnable	54% of the route
Climbs / descents	7 climbs, 8 descents
Profile shape	Rolling
Difficulty score	10.6 of 100
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	23%
Mild uphill	11%
Moderate uphill	9%
Steep uphill	18%
Mild downhill	9%
Moderate downhill	11%
Steep downhill	19%

Questions about Northern Glacier Loop

How long does it take to run Northern Glacier Loop?

At a flat-ground pace of 10:00/mi (6:13/km), Northern Glacier Loop takes about 14 h 25 min of moving time. At 8:00/mi (4:58/km) it takes about 11 h 32 min, and at 12:00/mi (7:27/km) about 17 h 18 min. The times come from the grade of every 100 m of the route. Stops are not included.

How much elevation gain does Northern Glacier Loop have?

Northern Glacier Loop has 11,539 ft (3,517 m) of elevation gain over 50.7 miles (81.5 km). That averages 228 ft of gain per mile.

How difficult is Northern Glacier Loop?

The difficulty score for Northern Glacier Loop is 10.6 of 100. That is harder than 76.6% of routes at a similar distance. About 54% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Northern Glacier Loop?

The longest climb on Northern Glacier Loop runs 7.0 miles (11.3 km) and gains 2,255 ft (687 m). The steepest climb grade on the route is 42.6%.