Avenue of the Giants Marathon

Eureka, CA, USA • May 3, 2026

Top Description Course

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

Partly cloudy throughout the day.

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

Required Pace

—/mi

Weather Adj

—/mi

Common Goals:

The Avenue of the Giants Marathon is held annually in May along the Avenue of the Giants in Humboldt Redwoods State Park in Humboldt County, California, United States. \n\n The course, consisting of two out-and-back legs, is almost entirely under the canopy of redwood trees. Half marathon and 10K races are run concurrently. The event, one of four larger annual races organized by the Six Rivers Running Club, was first run in 1972. In 2011, more than 2300 runners participated. Wikipedia

Course Map

FAQ

When is the 2026 Avenue of the Giants Marathon?

The 2026 Avenue of the Giants Marathon will be held on Sunday May 3, 2026.

Is the Avenue of the Giants Marathon a Boston Marathon Qualfier?

Yes, the Avenue of the Giants Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 25 years of data

Avg Temp

58°F

L:49°H:58°

RunScore

Conditions

Rain Freq

16%

4 of 25 yrs

Wind14mph

Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Avenue of the Giants Marathon Clear conditions throughout the day. 2025	46°/59°	-	42°
2024 Avenue of the Giants Marathon Partly cloudy throughout the day with rain clearing later. 2024	41°/55°	Light	44°
2023 Avenue of the Giants Marathon Partly cloudy throughout the day with rain. 2023	47°/54°	Light	46°
2022 Avenue of the Giants Marathon Clearing in the afternoon. 2022	48°/56°	-	47°
2021 Avenue of the Giants Marathon Partly cloudy throughout the day with early morning rain. 2021	57°/65°	-	57°
2019 Avenue of the Giants Marathon Clearing in the afternoon. 2019	47°/57°	-	48°
2018 Avenue of the Giants Marathon Clearing in the afternoon. 2018	50°/59°	-	48°
2017 Avenue of the Giants Marathon Clear conditions throughout the day. 2017	48°/56°	-	41°
2016 Avenue of the Giants Marathon Clear conditions throughout the day. 2016	52°/78°	-	52°
2015 Avenue of the Giants Marathon Partly cloudy throughout the day. 2015	48°/55°	-	48°
2014 Avenue of the Giants Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2014	55°/61°	Light	50°
2013 Avenue of the Giants Marathon Clear conditions throughout the day. 2013	50°/59°	-	50°
2012 Avenue of the Giants Marathon Partly cloudy throughout the day. 2012	46°/59°	-	48°
2011 Avenue of the Giants Marathon Clear conditions throughout the day. 2011	44°/55°	-	45°
2010 Avenue of the Giants Marathon Clear conditions throughout the day. 2010	47°/55°	-	45°
2009 Avenue of the Giants Marathon Clearing in the afternoon with rain clearing later. 2009	51°/55°	-	51°
2008 Avenue of the Giants Marathon Partly cloudy throughout the day. 2008	48°/57°	-	44°
2007 Avenue of the Giants Marathon Clear conditions throughout the day. 2007	50°/69°	-	47°
2006 Avenue of the Giants Marathon Partly cloudy throughout the day. 2006	50°/57°	-	46°
2005 Avenue of the Giants Marathon Partly cloudy throughout the day. 2005	53°/58°	-	50°
2004 Avenue of the Giants Marathon Partly cloudy throughout the day. 2004	50°/57°	-	52°
2003 Avenue of the Giants Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2003	50°/56°	Light	50°
2002 Avenue of the Giants Marathon Clearing in the afternoon. 2002	47°/54°	-	45°
2001 Avenue of the Giants Marathon Clear conditions throughout the day. 2001	51°/58°	-	46°
2000 Avenue of the Giants Marathon Cloudy skies throughout the day with afternoon rain. 2000	51°/55°	-	54°