AH
Annadel Half Marathon
Race Date
Apr 18, 2026
Location
Santa Rosa, CA
Course Info
Course Type
Loop Course
Terrain
trail
Difficulty
Ultra-Flat
Also Offers
10K5K trail run
Historical Performance
Median Finish
2:22:06
10:51/mi
Winning Time
1:23:21
6:22/mi
Finishers (2025)
251
States Represented
3 / 50
Gender Split
21% Female79% Male
Finish Time Distribution
1:205:20
FASTER 25%
2:05:54
MEDIAN
2:22:06
SLOWER 25%
2:40:47
Average runner age: 41
Race Day Weather
5-year historical avgStart (Low)
45°
Afternoon (High)
68°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
9 mph
Wind
74%
Humidity
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