2026 Humboldt Redwoods Marathon, Half Marathon, 5K
Humboldt Redwoods Marathon offers a scenic race through old-growth redwoods.
Race Date
Oct 11, 2026
Location
Weott, CA
Quick facts
- Date
- Sunday, October 11, 2026
- Location
- Weott, California
- Distance
- Half marathon (13.1 mi) + 3.1 Miles, 26.2 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 14,310
Highlights
Good For
Atmosphere
Course
The Experience
Run beneath the ancient canopy of Humboldt Redwoods State Park, where towering old-growth trees create a truly awe-inspiring backdrop for this independently organized race. The Half Marathon traces the latter, iconic portion of the Avenue of the Giants Marathon course, offering a unique journey through natural splendor.
Now in its 46th year, the event has grown, drawing approximately 475 finishers recently from about 28 states. While the course is USATF Certified and the full marathon is a Boston Qualifier, the atmosphere remains refreshingly free of corporate sponsorship, emphasizing its grassroots spirit. The typical winning time for the half marathon is around 82 minutes, and about 11% of finishers return for subsequent years, attesting to its enduring appeal.
Race-provided description
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.
Logistics
Race Day
Sunday, October 11, 2026
Start Time
8:30 AM
Giveaway
T-Shirt
Start Location
Weott, Weott, CA, 95571
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Scenery
Forest
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
-0.05 m
Separation
0.4%
Also Offers
USATF Certified Course
CA23013TEB · 2023 Humboldt Redwoods Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Standout7528 years running
~295 finishers a year
growing or steady
11% returning runners
USATF certified · 5 timing sources · 3 photos
runners from 28 states
winner 1:22:40
typical high 73°F
Race Day Weather
5-year historical avgStart (Low)
51°
Afternoon (High)
73°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
9 mph
Wind
76%
Humidity
Historical Finish Times
How 14,310 finishers actually crossed the line across 28 years.
Most recent
2024
Total finishers
14,310
Median time
2:19:38
Latest turnout
475
States
51
Turnout by year
2015–2024
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the 2026 Humboldt Redwoods Marathon, Half Marathon, 5K?
The 2026 Humboldt Redwoods Marathon, Half Marathon, 5K is held on Sunday, October 11, 2026, starting at 8:30 AM.
Where does the 2026 Humboldt Redwoods Marathon, Half Marathon, 5K take place?
It takes place in Weott, California.
What distances does the 2026 Humboldt Redwoods Marathon, Half Marathon, 5K offer?
The half marathon (13.1 miles), plus 3.1 Miles, 26.2 Miles.
Is the 2026 Humboldt Redwoods Marathon, Half Marathon, 5K course flat and good for a PR?
The 2026 Humboldt Redwoods Marathon, Half Marathon, 5K is a ultra-flat, loop course course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the 2026 Humboldt Redwoods Marathon, Half Marathon, 5K?
HalfRuns has finish records for 14,310 runners who have completed the 2026 Humboldt Redwoods Marathon, Half Marathon, 5K.
HalfRuns editorial — independent, no paid placement.
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