Runners will face a temperature rise from 48°F to 57°F, with a steady wind from the west averaging 13 mph, creating headwinds in the early miles. With high humidity at 83%, it’s crucial to start conservatively and adjust pace accordingly. The toughest segments will be the headwinds from miles 1-2, 4-7, and 14, while runners can benefit from a tailwind between miles 8-10 and 12-13.
Race day forecast available in 37 days
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Distance: 26.2mi
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The Avenue of the Giants Marathon is held annually in May along the Avenue of the Giants in Humboldt Redwoods State Park in Humboldt County, California, United States.
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The course, consisting of two out-and-back legs, is almost entirely under the canopy of redwood trees. Half marathon and 10K races are run concurrently. The event, one of four larger annual races organized by the Six Rivers Running Club, was first run in 1972. In 2011, more than 2300 runners participated.Wikipedia
FAQ
When is the 2026 Avenue of the Giants Marathon?
The 2026 Avenue of the Giants Marathon will be held on Sunday May 3, 2026.
Is the Avenue of the Giants Marathon a Boston Marathon Qualifier?
Yes, the Avenue of the Giants Marathon is an official Boston Marathon qualifier.
Historical Weather
Based on 25 years of data
Avg Temp
58°F
L:49° H:58°
RunScore
Conditions
Rain Freq
16%
4 of 25 yrs
Wind14mph
Dew49°F
Temperature History
Range of temperatures during race hours for each year.
