Humboldt Redwoods Marathon
Humboldt Redwoods Marathon runs beneath towering old-growth trees on the Avenue of the Giants, pairing cool forest conditions with a fast certified course.
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Quick facts
- Boston qualifier on the Avenue of the Giants.
- Old-growth redwood forest for most of the course.
- Gently rolling, paved out-and-back route.
About the Humboldt Redwoods Marathon
This Northern California classic is built around Humboldt Redwoods State Park and the Avenue of the Giants. The intimate setting and sheltered road make it a memorable destination qualifier.
Course
The certified out-and-back road course follows gently rolling pavement under dense redwood canopy. A few gradual grades matter, but the profile remains friendly to steady pacing.
Race-day weather
October in the redwoods is typically cool, shaded, and damp, with light rain possible. Temperatures change little under the canopy, while exposed patches can warm.
Past Humboldt Redwoods Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, October 11, 2026 | Results available | Open results |
| 2025 | Sunday, October 12, 2025 | Results available | Open results |
| 2024 | — | Results available | Open results |
Your race experience
Ran the 2026 Humboldt Redwoods Marathon?
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Humboldt Redwoods Marathon FAQ
When is the Humboldt Redwoods Marathon?
We're waiting for the finalized date for the 2027 Humboldt Redwoods Marathon. The most recent running was on Sunday, October 11, 2026.
Is Humboldt Redwoods Marathon a Boston qualifier?
Yes. Humboldt Redwoods Marathon is a Boston Marathon qualifier. To use the result, you must run the certified full-marathon course within the qualifying window and meet the current standard for your age and gender. Meeting the standard lets you apply but does not guarantee entry, and net-downhill courses can receive a time adjustment under current B.A.A. rules. Review the Boston qualifying times and downhill-course rules, or browse upcoming Boston qualifier marathons.
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