Humboldt Redwoods Marathon, Half Marathon, 5K
Weott, United States of America · Sunday 11 October 2026
We ll forgive you if you have trouble concentrating on the road ahead of you while running The Humboldt Redwoods Marathon, half or 5K. After all, you ll probably be looking up at the old-growth redwood trees which tower over the course! This race is in Humboldt Redwoods State Park and the Half Marathon follows the second half of the iconic Avenue of the Giants Marathon course. All courses are USATF Certified. The Marathon is a Boston qualifier. The race starts and finishes at the Dyerville Bridge.
Difficulty Calculator
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Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain0m
Elevation High0m
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How hard is Humboldt Redwoods Marathon, Half Marathon, 5K?
We don't yet have verified elevation data for this course, so we can't rate its difficulty against other half marathons. Our data pipeline backfills course elevation continuously - check back soon.
Humboldt Redwoods Marathon, Half Marathon, 5K 2026 Course Analysis
Humboldt Redwoods Marathon, Half Marathon, 5K is a half marathon held in Weott, United States of America. It is scheduled for Sunday 11 October 2026. The course is run on road surface with 0m of total climbing, with its high point near 0m above sea level. For registration and full race details, visit the official Humboldt Redwoods Marathon, Half Marathon, 5K website.
Elevation Profile
This is a very flat course, with only 0m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Surface Type: Road
Humboldt Redwoods Marathon, Half Marathon, 5K is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Humboldt Redwoods Marathon, Half Marathon, 5K against other half marathons to find the right race for your goals.
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