Humboldt Redwoods Marathon

Weott, CA, USA · October 11, 2026
partly-cloudy-day53°·69° high·Light·Dry
9
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Race Day Weather

partly-cloudy-day
53°at start
70° high
Light
Dry

Comfortable temps, big temp swing

Mild 53°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 70°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 5 days
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Distance: 26.2mi
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Race Info

The Humboldt Redwoods Marathon runs through old-growth redwood forest in Humboldt Redwoods State Park, along the Avenue of the Giants near Weott, California. The course is USATF-certified and a Boston Marathon qualifier. The marathon and half marathon both start and finish near the Dyerville Bridge and run as out-and-back routes on paved roads, with some rolling grades. GPS watches can lose signal under the tree canopy. Source

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 74°F and a low of 52°F with a 6% chance of rain.

Historical Weather

Based on 30 years of data
Avg Temp
69°F
L:62° H:71°
RunScore
7
Conditions
Rain Freq
7%
2 of 30 yrs
Wind13mph
Dew45°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
78°/87°-
5
2024
clear-day
69°/74°-
7
2023
clear-day
65°/82°-
8
2022
partly-cloudy-day
66°/76°-
8
2021
clear-day
69°/76°-
7
2019
clear-day
56°/69°-
8
2018
rain
37°/48°Light
4
2017
clear-day
52°/61°-
8
2016
clear-day
75°/87°-
4
2015
clear-day
63°/75°-
6
2014
clear-day
59°/69°-
7
2013
clear-day
59°/70°-
7
2012
cloudy
67°/83°-
5
2011
clear-day
68°/72°-
6
2010
clear-day
66°/82°-
8
2009
clear-day
52°/65°-
6
2008
clear-day
63°/73°-
6
2007
clear-day
58°/62°-
7
2006
cloudy
58°/60°Light
7
2005
partly-cloudy-day
72°/81°-
7
2004
clear-day
57°/70°-
7
2003
clear-day
71°/84°-
7
2002
clear-day
51°/62°-
9
2001
clear-day
69°/78°-
7
2000
cloudy
61°/63°-
9
1999
clear-day
52°/57°-
7
1998
clear-day
54°/65°-
9
1997
cloudy
52°/57°-
7
1996
clear-day
62°/70°-
6
1995
clear-day
67°/79°-
8