Sonoma Mountain Challenge Half Marathon
Race Date
Nov 8, 2026
Location
Glen Ellen, CA
Quick facts
- Date
- Sunday, November 8, 2026
- Location
- Glen Ellen, California
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Rolling Hills
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
limited extras
no finisher data yet
no winner time yet
typical high 66°F
Race Day Weather
5-year historical avgStart (Low)
47°
Afternoon (High)
66°
Pleasant conditions — light layers at start, comfortable by finish
0.2"
Precipitation
7 mph
Wind
75%
Humidity
Frequently asked
When is the Sonoma Mountain Challenge Half Marathon?
The Sonoma Mountain Challenge Half Marathon is held on Sunday, November 8, 2026.
Where does the Sonoma Mountain Challenge Half Marathon take place?
It takes place in Glen Ellen, California.
What distances does the Sonoma Mountain Challenge Half Marathon offer?
The half marathon (13.1 miles).
Is the Sonoma Mountain Challenge Half Marathon course flat and good for a PR?
The Sonoma Mountain Challenge Half Marathon is a rolling hills, loop course course.
HalfRuns editorial — independent, no paid placement.
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