Humboldt Redwoods Marathon

Weott, CA, USA · October 11, 2026

51°·70° high·Breezy·Dry

Weather

Race Day Weather

51°at start

72° high

Breezy

Dry

Comfortable temps, big temp swing

Mild 51°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 72°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 70 days

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Race Info

We’ll forgive you if you have trouble concentrating on the road ahead of you while running The Humboldt Redwoods. After all, you’ll probably be looking up at the old growth redwood trees which tower over the course. Course is on a paved road the winds gently up hill but is mostly a flat, fast destination race. With little to distract you, the tall trees inspire the athlete in each of us to be strong. The course is certified and the marathon is a Boston Qualifying event. Source

Website

Course Map

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 73°F and a low of 51°F with a 9% chance of rain.

Historical Weather

Based on 30 years of data

Avg Temp

70°F

L:54° H:71°

RunScore

Conditions

Rain Freq

2 of 30 yrs

Wind14mph

Dew45°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Humboldt Redwoods Marathon Clear conditions throughout the day. 2025	69°/87°	-	57°
2024 Humboldt Redwoods Marathon Clear conditions throughout the day. 2024	58°/74°	-	38°
2023 Humboldt Redwoods Marathon Clear conditions throughout the day. 2023	55°/81°	-	40°
2022 Humboldt Redwoods Marathon Partly cloudy throughout the day. 2022	56°/76°	-	49°
2021 Humboldt Redwoods Marathon Becoming cloudy in the afternoon with late afternoon rain. 2021	69°/76°	-	54°
2019 Humboldt Redwoods Marathon Clear conditions throughout the day. 2019	44°/67°	-	34°
2018 Humboldt Redwoods Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2018	38°/51°	Light	44°
2017 Humboldt Redwoods Marathon Clear conditions throughout the day. 2017	46°/60°	-	38°
2016 Humboldt Redwoods Marathon Clear conditions throughout the day. 2016	68°/85°	-	66°
2015 Humboldt Redwoods Marathon Clear conditions throughout the day. 2015	53°/74°	-	35°
2014 Humboldt Redwoods Marathon Becoming cloudy in the afternoon. 2014	48°/69°	-	46°
2013 Humboldt Redwoods Marathon Clear conditions throughout the day. 2013	48°/69°	-	40°
2012 Humboldt Redwoods Marathon Partly cloudy throughout the day. 2012	61°/82°	-	62°
2011 Humboldt Redwoods Marathon Clear conditions throughout the day. 2011	62°/72°	-	47°
2010 Humboldt Redwoods Marathon Clear conditions throughout the day. 2010	53°/81°	-	46°
2009 Humboldt Redwoods Marathon Clear conditions throughout the day. 2009	42°/64°	-	41°
2008 Humboldt Redwoods Marathon Clear conditions throughout the day. 2008	55°/73°	-	47°
2007 Humboldt Redwoods Marathon Partly cloudy throughout the day. 2007	58°/62°	-	46°
2006 Humboldt Redwoods Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2006	56°/60°	Light	54°
2005 Humboldt Redwoods Marathon Partly cloudy throughout the day. 2005	60°/81°	-	52°
2004 Humboldt Redwoods Marathon Clear conditions throughout the day. 2004	51°/70°	-	48°
2003 Humboldt Redwoods Marathon Clear conditions throughout the day. 2003	55°/84°	-	57°
2002 Humboldt Redwoods Marathon Clear conditions throughout the day. 2002	41°/61°	-	37°
2001 Humboldt Redwoods Marathon Partly cloudy throughout the day. 2001	62°/78°	-	59°
2000 Humboldt Redwoods Marathon Partly cloudy throughout the day. 2000	59°/63°	-	58°
1999 Humboldt Redwoods Marathon Clearing in the afternoon. 1999	46°/57°	-	22°
1998 Humboldt Redwoods Marathon Clear conditions throughout the day. 1998	45°/65°	-	40°
1997 Humboldt Redwoods Marathon Partly cloudy throughout the day. 1997	52°/57°	-	48°
1996 Humboldt Redwoods Marathon Clear conditions throughout the day. 1996	49°/70°	-	31°
1995 Humboldt Redwoods Marathon Clear conditions throughout the day. 1995	52°/79°	-	35°