Saint Marys Lake

St. Ignatius, Montana, United States

27.2 miles (43.7 km) · 8,663 ft elevation gain · Loop · Race

Route facts

Distance	27.2 mi (43.7 km)
Elevation gain	8,663 ft (2,641 m)
Average gain	319 ft per mile (60 m per km)
Longest climb	9.3 mi, 5,029 ft of gain
Steepest climb grade	166.8%
Runnable	57% of the route
Climbs / descents	2 climbs, 3 descents
Profile shape	Steady descent
Difficulty score	13.8 of 100
Route shape	Loop
Type	Race

Grade breakdown

Grade band	Share of route
Flat	11%
Mild uphill	17%
Moderate uphill	4%
Steep uphill	20%
Mild downhill	24%
Moderate downhill	5%
Steep downhill	19%

Questions about Saint Marys Lake

How much elevation gain does Saint Marys Lake have?

Saint Marys Lake has 8,663 ft (2,641 m) of elevation gain over 27.2 miles (43.7 km). That averages 319 ft of gain per mile.

How difficult is Saint Marys Lake?

The difficulty score for Saint Marys Lake is 13.8 of 100. That is harder than 80.8% of routes at a similar distance. About 57% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Saint Marys Lake?

The longest climb on Saint Marys Lake runs 9.3 miles (15.0 km) and gains 5,029 ft (1,533 m). The steepest climb grade on the route is 166.8%.