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Race Overview
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.
WikipediaFAQ
When is the 2027 Humboldt Redwoods Marathon?
The 2027 Humboldt Redwoods Marathon will be held on Sunday October 10, 2027.
Is the Humboldt Redwoods Marathon a Boston Marathon Qualfier?
Yes, the Humboldt Redwoods Marathon is an official Boston Marathon qualifier.
Humboldt Redwoods Marathon Course Map
Loading Course Map...
Humboldt Redwoods Marathon Weather History
Humboldt Redwoods Marathon Weather Averages
Average Temp: 54°, Average Low: 47°, Average High: 62°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 55° | 57° | 58° | 59° | 60° | 60° |
| Feel | 51° | 54° | 57° | 58° | 59° | 60° | 60° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 5mph | 6mph | 8mph | 9mph | 10mph | 11mph |
| Dew | 48° | 49° | 49° | 50° | 50° | 50° | 50° |
| RunScore |  | | | | | | |
Humboldt Redwoods Marathon 2026
Oct 11, 2026
Clear conditions throughout the day.
Low: 43°, High: 61°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp |  48° | 50° | 56° | 59° | 61° | 61° | 61° |
| Feel | 46° | 50° | 56° | 59° | 61° | 61° | 61° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 0mph | 12mph | 14mph | 19mph | 20mph | 22mph |
| Dew | 46° | 44° | 39° | 41° | 43° | 43° | 42° |
| RunScore |  | | | |  | | |
Humboldt Redwoods Marathon 2025
Oct 12, 2025
Partly cloudy throughout the day.
Low: 46°, High: 59°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 54° | 55° | 57° | 57° | 57° | 59° |
| Feel | 50° | 54° | 55° | 57° | 57° | 57° | 59° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 6mph | 8mph | 10mph | 9mph | 14mph | 12mph |
| Dew | 50° | 53° | 52° | 49° | 48° | 48° | 50° |
| RunScore | | | | | |  | |
Humboldt Redwoods Marathon 2024
Oct 13, 2024
Clearing in the afternoon.
Low: 50°, High: 63°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 56° | 60° | 63° | 63° | 62° | 63° | 63° |
| Feel | 56° | 60° | 63° | 63° | 62° | 63° | 63° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 4mph | 10mph | 10mph | 12mph | 11mph |
| Dew | 56° | 60° | 63° | 62° | 62° | 61° | 61° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2023
Oct 8, 2023
Partly cloudy throughout the day.
Low: 48°, High: 63°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° |  51° | 52° | 56° | 60° | 62° | 63° |
| Feel | 50° | 51° | 52° | 56° | 60° | 62° | 63° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 5mph | 4mph | 8mph | 7mph | 9mph | 12mph |
| Dew | 50° | 51° | 52° | 56° | 57° | 57° | 57° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2022
Oct 9, 2022
Partly cloudy throughout the day.
Low: 49°, High: 62°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 51° | 52° |  53° | 56° | 59° | 62° | 59° |
| Feel | 51° | 52° | 53° | 56° | 59° | 62° | 59° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 6mph | 7mph | 8mph | 9mph | 13mph |
| Dew | 51° | 52° | 52° | 56° | 57° | 56° | 56° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2021
Oct 10, 2021
Partly cloudy throughout the day.
Low: 41°, High: 60°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 52° | 54° | 56° | 60° | 59° | 60° |
| Feel | 48° | 52° | 54° | 56° | 60° | 59° | 60° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 3mph | 5mph | 17mph | 16mph | 16mph | 18mph |
| Dew | 46° | 47° | 49° | 50° | 51° | 50° | 48° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2019
Oct 13, 2019
Partly cloudy throughout the day with rain clearing later.
Low: 39°, High: 59°, Moderate Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 46° | 51° | 56° | 59° | 58° | 58° | 57° |
| Feel | 44° | 51° | 56° | 59° | 58° | 58° | 57° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 2mph | 3mph | 6mph | 11mph | 14mph | 14mph |
| Dew | 40° | 44° | 44° | 46° | 49° | 48° | 48° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2018
Oct 14, 2018
Partly cloudy throughout the day.
Low: 44°, High: 63°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 53° | 54° | 56° | 57° | 58° | 63° |
| Feel | 45° | 53° | 54° | 56° | 57° | 58° | 63° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 0mph | 6mph | 9mph | 8mph | 8mph | 9mph |
| Dew | 42° | 45° | 47° | 48° | 50° | 50° | 51° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2017
Oct 15, 2017
Clear conditions throughout the day.
Low: 48°, High: 74°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 56° | 63° | 71° | 72° | 74° | 73° |
| Feel | 53° | 56° | 63° | 71° | 72° | 74° | 73° |
| Rain | - | - | - | - | - | - | - |
| Wind | 8mph | 6mph | 5mph | 0mph | 5mph | 8mph | 13mph |
| Dew | 36° | 39° | 39° | 37° | 36° | 41° | 35° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2016
Oct 16, 2016
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 53°, High: 58°, Heavy Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 58° |  58° | 57° | 57° | 56° | 57° | 57° |
| Feel | 58° | 58° | 57° | 57° | 56° | 57° | 57° |
| Rain | - | light | light | light | moderate | moderate | moderate |
| Wind | 17mph | 15mph | 16mph | 15mph | 10mph | 11mph | 11mph |
| Dew | 53° | 54° | 54° | 54° | 55° | 54° | 54° |
| RunScore | | | |  | | | |
Humboldt Redwoods Marathon 2015
Oct 18, 2015
Partly cloudy throughout the day.
Low: 53°, High: 67°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 56° | 61° | 63° | 64° | 67° | 66° | 67° |
| Feel | 56° | 61° | 63° | 64° | 67° | 66° | 67° |
| Rain | - | - | - | - | - | - | - |
| Wind | 9mph | 8mph | 4mph | 3mph | 1mph | 9mph | 9mph |
| Dew | 54° | 55° | 55° | 56° | 55° | 57° | 56° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2014
Oct 19, 2014
Partly cloudy throughout the day.
Low: 56°, High: 70°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 62° | 66° | 67° | 68° | 69° | 70° | 70° |
| Feel | 62° | 66° | 67° | 68° | 69° | 70° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 10mph | 13mph | 14mph | 15mph | 17mph | 14mph |
| Dew | 57° | 57° | 57° | 56° | 57° | 55° | 55° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2013
Oct 20, 2013
Partly cloudy throughout the day.
Low: 42°, High: 53°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 44° | 45° | 46° | 49° | 53° | 53° | 52° |
| Feel | 44° | 45° | 46° | 49° | 53° | 53° | 52° |
| Rain | light | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 1mph | 3mph | 9mph | 10mph | 9mph |
| Dew | 44° | 45° | 46° | 49° | 50° | 50° | 50° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2012
Oct 21, 2012
Becoming cloudy in the afternoon with late afternoon rain.
Low: 39°, High: 62°, Moderate Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 43° | 47° | 54° | 57° | 59° | 60° | 59° |
| Feel | 37° | 45° | 54° | 57° | 59° | 60° | 59° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 5mph | 2mph | 1mph | 1mph | 10mph | 8mph |
| Dew | 41° | 42° | 40° | 39° | 39° | 44° | 44° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2011
Oct 16, 2011
Cloudy skies throughout the day.
Low: 56°, High: 59°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 57° | 58° | 58° | 59° | 59° | 59° | 59° |
| Feel | 57° | 58° | 58° | 59° | 59° | 59° | 59° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 1mph | 8mph | 8mph | 10mph |
| Dew | 55° | 55° | 55° | 55° | 55° | 57° | 55° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2010
Oct 17, 2010
Cloudy skies throughout the day.
Low: 48°, High: 53°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 51° | 51° | 52° | 52° | 53° | 53° |
| Feel | 50° | 51° | 51° | 52° | 52° | 53° | 53° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 5mph | 6mph | 7mph | 0mph | 6mph |
| Dew | 47° | 47° | 47° | 47° | 47° | 47° | 47° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2009
Oct 18, 2009
Cloudy skies throughout the day with early morning rain.
Low: 49°, High: 56°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 54° | 54° | 56° | 56° | 54° | 55° |
| Feel | 52° | 54° | 54° | 56° | 56° | 54° | 55° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 5mph | 0mph | 3mph | 3mph |
| Dew | 52° | 54° | 54° | 55° | 55° | 54° | 54° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2008
Oct 19, 2008
Cloudy skies throughout the day with morning rain.
Low: 50°, High: 53°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 51° | 51° | 52° | 53° | 53° | 53° |
| Feel | 50° | 51° | 51° | 52° | 53° | 53° | 53° |
| Rain | - | light | - | - | - | - | - |
| Wind | 5mph | 3mph | 6mph | 0mph | 0mph | 6mph | 8mph |
| Dew | 50° | 50° | 51° | 51° | 51° | 52° | 51° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2007
Oct 21, 2007
Clear conditions throughout the day with early morning rain.
Low: 38°, High: 62°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 45° | 50° | 54° | 56° | 59° | 60° | 59° |
| Feel | 45° | 50° | 54° | 56° | 59° | 60° | 59° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 5mph | 7mph | 13mph | 10mph | 17mph |
| Dew | 42° | 41° | 42° | 41° | 46° | 47° | 45° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2006
Oct 15, 2006
Cloudy skies throughout the day with rain.
Low: 49°, High: 60°, Heavy Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 54° | 56° | 60° | 60° | 58° | 54° |
| Feel | 52° | 54° | 56° | 60° | 60° | 58° | 54° |
| Rain | - | - | - | - | - | - | light |
| Wind | 6mph | 0mph | 3mph | 8mph | 8mph | 6mph | 7mph |
| Dew | 47° | 47° | 49° | 49° | 49° | 50° | 53° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2005
Oct 16, 2005
Clear conditions throughout the day.
Low: 45°, High: 70°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 55° | 66° | 64° | 66° | 70° | 65° |
| Feel | 50° | 55° | 66° | 64° | 66° | 70° | 65° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 1mph | 13mph | 13mph | 8mph | 14mph |
| Dew | 48° | 49° | 45° | 50° | 51° | 48° | 52° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2004
Oct 17, 2004
Cloudy skies throughout the day with rain.
Low: 52°, High: 61°, Heavy Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 57° | 59° | 57° | 54° | 54° | 57° | 57° |
| Feel | 57° | 59° | 57° | 54° | 54° | 57° | 57° |
| Rain | light | light | moderate | moderate | light | - | - |
| Wind | 13mph | 20mph | 16mph | 8mph | 5mph | 3mph | 8mph |
| Dew | 54° | 54° | 56° | 52° | 52° | 54° | 52° |
| RunScore | |  | | | | | |
Humboldt Redwoods Marathon 2003
Oct 19, 2003
Partly cloudy throughout the day with rain clearing later.
Low: 57°, High: 70°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 59° | 65° | 66° | 70° | 65° | 66° | 66° |
| Feel | 59° | 65° | 66° | 70° | 65° | 66° | 66° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 3mph | 5mph | 3mph | 8mph | 5mph | 6mph |
| Dew | 56° | 57° | 55° | 57° | 56° | 54° | 56° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2002
Oct 20, 2002
Partly cloudy throughout the day.
Low: 48°, High: 69°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 52° | 64° | 54° | 54° | 66° | 52° |
| Feel | 52° | 52° | 64° | 54° | 54° | 66° | 52° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 5mph | 1mph | 9mph | 5mph | 11mph | 5mph |
| Dew | 52° | 52° | 53° | 50° | 50° | 52° | 50° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2001
Oct 21, 2001
Partly cloudy throughout the day with afternoon rain.
Low: 47°, High: 54°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 48° | 51° | 50° | 52° | 54° | 54° |
| Feel | 43° | 41° | 51° | 50° | 52° | 54° | 54° |
| Rain | - | - | - | - | light | light | - |
| Wind | 14mph | 22mph | 9mph | 18mph | 12mph | 6mph | 16mph |
| Dew | 48° | 48° | 48° | 48° | 48° | 48° | 48° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 2000
Oct 15, 2000
Partly cloudy throughout the day.
Low: 48°, High: 60°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 53° | 54° | 60° | 57° | 57° | 57° |
| Feel | 52° | 53° | 54° | 60° | 57° | 57° | 57° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 10mph | 10mph | 11mph | 14mph | 13mph | 12mph |
| Dew | 52° | 53° | 50° | 52° | 50° | 51° | 52° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 1999
Oct 17, 1999
Clear conditions throughout the day.
Low: 43°, High: 72°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 59° | 72° | 64° | 65° | 72° | 71° | 70° |
| Feel | 59° | 72° | 64° | 65° | 72° | 71° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 4mph | 5mph | 4mph | 2mph | 4mph | 5mph |
| Dew | 35° | 35° | 43° | 41° | 40° | 34° | 33° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 1998
Oct 18, 1998
Partly cloudy throughout the day.
Low: 48°, High: 63°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 54° | 58° | 56° | 57° | 59° | 61° |
| Feel | 52° | 54° | 58° | 56° | 57° | 59° | 61° |
| Rain | - | - | - | - | - | - | - |
| Wind | 16mph | 11mph | 10mph | 13mph | 13mph | 14mph | 15mph |
| Dew | 50° | 49° | 50° | 51° | 51° | 52° | 53° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 1997
Oct 19, 1997
Clearing in the afternoon.
Low: 52°, High: 61°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 54° | 55° | 61° | 60° | 58° | 57° | 58° |
| Feel | 54° | 55° | 61° | 60° | 58° | 57° | 58° |
| Rain | - | - | - | - | - | - | - |
| Wind | 14mph | 15mph | 9mph | 12mph | 16mph | 19mph | 19mph |
| Dew | 50° | 51° | 51° | 50° | 49° | 49° | 49° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 1996
Oct 19, 1996
Partly cloudy throughout the day.
Low: 44°, High: 55°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 52° | 54° | 54° | 54° | 54° | 54° |
| Feel | 48° | 51° | 54° | 54° | 54° | 54° | 54° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 7mph | 7mph | 8mph | 8mph | 9mph | 10mph |
| Dew | 45° | 45° | 45° | 45° | 45° | 45° | 45° |
| RunScore | | | | | | | |
Humboldt Redwoods Marathon 1995
Oct 15, 1995
Partly cloudy throughout the day.
Low: 47°, High: 66°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 54° | 57° | 59° | 61° | 64° | 64° |
| Feel | 53° | 54° | 57° | 59° | 61° | 64° | 64° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 9mph | 2mph | 12mph | 7mph | 9mph | 9mph |
| Dew | 53° | 52° | 54° | 52° | 52° | 53° | 54° |
| RunScore | | | | | | | |