TERREX Lake Sonoma 100k
Healdsburg, CA
TERREX Lake Sonoma 100k is a trail race of 62 miles (100 km) in Healdsburg, California. The next edition is on Saturday, April 10, 2027. The race gives its climbing as 15,000 ft (4,572 m); measured from its course file, it's 11,093 ft (3,381 m). It starts at 230 ft (70 m) above sea level. Its high point is 1,741 ft (531 m). The course finishes where it starts. It's a Western States 100 qualifier. Registration is open to all.
There are 42 other upcoming 50-mile and 100K races in California. TERREX Lake Sonoma 100k climbs about 241 ft a mile (46 m per km), near the middle of the 119 50-mile and 100K races listed with their climbing.
The course
Questions about TERREX Lake Sonoma 100k
When is TERREX Lake Sonoma 100k 2027?
TERREX Lake Sonoma 100k 2027 is on Saturday, April 10, 2027.
Where is TERREX Lake Sonoma 100k?
TERREX Lake Sonoma 100k is held in Healdsburg, California.
How long is TERREX Lake Sonoma 100k?
TERREX Lake Sonoma 100k is 62 miles (100 km).
How much elevation gain does TERREX Lake Sonoma 100k have?
TERREX Lake Sonoma 100k has 15,000 ft (4,572 m) of elevation gain, as the race states it.
Is TERREX Lake Sonoma 100k a Western States qualifier?
Yes. TERREX Lake Sonoma 100k is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.
How do you get into TERREX Lake Sonoma 100k?
TERREX Lake Sonoma 100k has open registration.
How many aid stations does TERREX Lake Sonoma 100k have?
TERREX Lake Sonoma 100k's course has 13 aid stations after the start.
Where can I see the TERREX Lake Sonoma 100k elevation profile and aid station cutoffs?
runfarwhere has TERREX Lake Sonoma 100k's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.
How hilly is TERREX Lake Sonoma 100k?
TERREX Lake Sonoma 100k climbs about 241 ft a mile (46 m per km), near the middle of the 119 50-mile and 100K races listed with their climbing.
What other 50-mile and 100K races are there in California?
Other upcoming 50-mile and 100K races in California include Anza Borrego Cuyamaca 50 Mile Run (December 5, 2026), Ray Miller 50/50 (December 5, 2026) and Hunter S. Thompson Fear & Loathing (December 6, 2026).
Other races in California
- Yubaneer 50 Mile · Apr 1, 2027
- Santa Barbara Tough Enough 59 Mile · Apr 3, 2027
- Leona Divide 50 Mile · Apr 17, 2027
- Leona Divide 100K · Apr 17, 2027
- Outlands Endurance Races 50 Miler · Apr 17, 2027
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