Duck/Hum Lake 50k

Yellow Pine, Idaho, United States

32.7 miles (52.6 km) · 8,172 ft elevation gain · Loop · Race

Route facts

Distance	32.7 mi (52.6 km)
Elevation gain	8,172 ft (2,491 m)
Average gain	250 ft per mile (47 m per km)
Longest climb	4.2 mi, 2,130 ft of gain
Steepest climb grade	49.9%
Runnable	50% of the route
Climbs / descents	4 climbs, 4 descents
Profile shape	Down, then up
Difficulty score	15.7 of 100
Route shape	Loop
Type	Race

Grade breakdown

Grade band	Share of route
Flat	23%
Mild uphill	6%
Moderate uphill	10%
Steep uphill	19%
Mild downhill	10%
Moderate downhill	10%
Steep downhill	21%

Questions about Duck/Hum Lake 50k

How much elevation gain does Duck/Hum Lake 50k have?

Duck/Hum Lake 50k has 8,172 ft (2,491 m) of elevation gain over 32.7 miles (52.6 km). That averages 250 ft of gain per mile.

How difficult is Duck/Hum Lake 50k?

The difficulty score for Duck/Hum Lake 50k is 15.7 of 100. That is harder than 84.6% of routes at a similar distance. About 50% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Duck/Hum Lake 50k?

The longest climb on Duck/Hum Lake 50k runs 4.2 miles (6.8 km) and gains 2,130 ft (649 m). The steepest climb grade on the route is 49.9%.