Mild 53°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 73°F by later miles, so expect fading conditions as the race progresses. Moderate winds around 14mph may affect pacing on open sections of the course.
Race day forecast available in 178 days
Pre-raceRace windowPost-race
We’ll forgive you if you have trouble concentrating on the road ahead of you while running The Humboldt Redwoods. After all, you’ll probably be looking up at the old growth redwood trees which tower over the course.
Course is on a paved road the winds gently up hill but is mostly a flat, fast destination race. With little to distract you, the tall trees inspire the athlete in each of us to be strong. The course is certified and the marathon is a Boston Qualifying event.Source
Course Map
FAQ
When is the 2026 Humboldt Redwoods Marathon?
The 2026 Humboldt Redwoods Marathon will be held on Sunday October 11, 2026.
Is the Humboldt Redwoods Marathon a Boston Marathon Qualifier?
Yes, the Humboldt Redwoods Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Humboldt Redwoods Marathon?
The forecast calls for a high of 73°F and a low of 53°F with a 0% chance of rain.
Historical Weather
Based on 30 years of data
Avg Temp
70°F
L:54° H:71°
RunScore
Conditions
Rain Freq
7%
2 of 30 yrs
Wind14mph
Dew45°F
Temperature History
Range of temperatures during race hours for each year.
