HB
Humboldt Bay Marathon
Race Date
Aug 9, 2026
Location
Eureka, CA
Course Info
USATF CertifiedTerrain
road
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.3%
Also Offers
26.2M
USATF Certified Course
CA25023TEB · 2025 Humboldt Bay Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Race Day Weather
5-year historical avgStart (Low)
53°
Afternoon (High)
65°
Pleasant conditions — light layers at start, comfortable by finish
0.0"
Precipitation
8 mph
Wind
90%
Humidity
Race Photos
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