Lake Sonoma 50k

Sonoma County, California, United States

31.1 miles (50.0 km) · 6,438 ft elevation gain · Loop · Race

Route facts

Distance	31.1 mi (50.0 km)
Elevation gain	6,438 ft (1,962 m)
Average gain	207 ft per mile (39 m per km)
Longest climb	2.6 mi, 632 ft of gain
Steepest climb grade	26.2%
Runnable	55% of the route
Climbs / descents	3 climbs, 4 descents
Profile shape	Rolling
Difficulty score	9.8 of 100
Route shape	Loop
Type	Race

Grade breakdown

Grade band	Share of route
Flat	7%
Mild uphill	21%
Moderate uphill	11%
Steep uphill	16%
Mild downhill	20%
Moderate downhill	8%
Steep downhill	18%

Questions about Lake Sonoma 50k

How much elevation gain does Lake Sonoma 50k have?

Lake Sonoma 50k has 6,438 ft (1,962 m) of elevation gain over 31.1 miles (50.0 km). That averages 207 ft of gain per mile.

How difficult is Lake Sonoma 50k?

The difficulty score for Lake Sonoma 50k is 9.8 of 100. That is harder than 68.8% of routes at a similar distance. About 55% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Lake Sonoma 50k?

The longest climb on Lake Sonoma 50k runs 2.6 miles (4.1 km) and gains 632 ft (193 m). The steepest climb grade on the route is 26.2%.