Keystone 20

Keystone, Colorado, United States

20.1 miles (32.3 km) · 2,752 ft elevation gain · Loop · Route

The Keystone 20 is a 20.1 mile route in Keystone, Colorado, United States. The course features 2,752 feet of elevation gain and 2,762 feet of descent. The longest climb spans 6.7 miles with 1,865 feet of gain. Elevation gain averages 137 feet per mile. Approximately 75% of the route is runnable. The course features hilly terrain. The course difficulty of 8.4 puts it in the top 37.4% of challenging routes at this distance. This loop route attracts runners seeking training opportunities in Colorado.

Route facts

Distance	20.1 mi (32.3 km)
Elevation gain	2,752 ft (839 m)
Average gain	137 ft per mile (26 m per km)
Longest climb	6.7 mi, 1,865 ft of gain
Steepest climb grade	15%
Runnable	75% of the route
Climbs / descents	2 climbs, 3 descents
Profile shape	Up, then down
Difficulty score	8.4 of 100
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	15%
Mild uphill	28%
Moderate uphill	16%
Steep uphill	2%
Mild downhill	17%
Moderate downhill	15%
Steep downhill	7%

Questions about Keystone 20

How much elevation gain does Keystone 20 have?

Keystone 20 has 2,752 ft (839 m) of elevation gain over 20.1 miles (32.3 km). That averages 137 ft of gain per mile.

How difficult is Keystone 20?

The difficulty score for Keystone 20 is 8.4 of 100. That is harder than 62.6% of routes at a similar distance. About 75% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Keystone 20?

The longest climb on Keystone 20 runs 6.7 miles (10.7 km) and gains 1,865 ft (568 m). The steepest climb grade on the route is 15%.