New Hampshire Marathon

Bristol, NH, USA • October 03, 2026

Race Day Weather

48°

64° high

Light

Dry

Cool start, steady conditions ahead

Runners will face a temperature ranging from 50°F at the start to a maximum of 64°F. With a gentle breeze from the S and humidity at 65%, runners should maintain hydration and consider pacing conservatively as temperatures rise. Wind gusts may provide slight challenges but overall conditions are favorable.

Race day forecast available in 190 days

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Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

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Weather Adj.

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Common Goals:

New Hampshire’s best kept secret for over 31 years! Come experience the natural beauty of NH in a small, friendly and community oriented event that doubles as a Boston Qualifier. The New Hampshire Marathon has been described as one of the most beautiful races in New England. The course moves around Newfound Lake during our most spectacular season, peak foliage. Offering a full, half, 10K and Kids race events, we have something for all levels. Source

Course Map

FAQ

When is the 2026 New Hampshire Marathon?

The 2026 New Hampshire Marathon will be held on Saturday October 3, 2026.

Is the New Hampshire Marathon a Boston Marathon Qualifier?

Yes, the New Hampshire Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 25 years of data

Avg Temp

61°F

L:49° H:62°

RunScore

Conditions

Rain Freq

28%

7 of 25 yrs

Wind7mph

Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 New Hampshire Marathon Clear conditions throughout the day. 2025	51°/81°	-	49°
2024 New Hampshire Marathon Clearing in the afternoon with early morning rain. 2024	59°/67°	-	46°
2023 New Hampshire Marathon Clearing in the afternoon with rain clearing later. 2023	56°/70°	-	55°
2022 New Hampshire Marathon Clear conditions throughout the day. 2022	43°/65°	-	45°
2019 New Hampshire Marathon Clear conditions throughout the day. 2019	41°/57°	-	31°
2018 New Hampshire Marathon Partly cloudy throughout the day. 2018	56°/65°	-	45°
2017 New Hampshire Marathon Partly cloudy throughout the day with morning rain. 2017	47°/52°	Light	40°
2016 New Hampshire Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2016	52°/58°	Light	45°
2015 New Hampshire Marathon Becoming cloudy in the afternoon. 2015	44°/56°	-	35°
2014 New Hampshire Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2014	54°/57°	Light	55°
2011 New Hampshire Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2011	53°/61°	Light	56°
2010 New Hampshire Marathon Partly cloudy throughout the day with morning rain. 2010	52°/58°	-	38°
2009 New Hampshire Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2009	50°/53°	Light	51°
2008 New Hampshire Marathon Partly cloudy throughout the day. 2008	46°/56°	-	37°
2007 New Hampshire Marathon Becoming cloudy in the afternoon with rain clearing later. 2007	58°/67°	-	45°
2006 New Hampshire Marathon Partly cloudy throughout the day. 2006	44°/59°	-	38°
2005 New Hampshire Marathon Clear conditions throughout the day with early morning rain. 2005	43°/71°	-	44°
2004 New Hampshire Marathon Partly cloudy throughout the day with rain. 2004	54°/62°	-	54°
2003 New Hampshire Marathon Partly cloudy throughout the day with rain. 2003	44°/54°	Light	48°
2002 New Hampshire Marathon Partly cloudy throughout the day with rain clearing later. 2002	69°/79°	Light	57°
2001 New Hampshire Marathon Partly cloudy throughout the day. 2001	55°/60°	-	38°
2000 New Hampshire Marathon Clear conditions throughout the day. 2000	37°/69°	-	40°
1998 New Hampshire Marathon Partly cloudy throughout the day. 1998	45°/57°	-	32°
1997 New Hampshire Marathon Cloudy skies throughout the day. 1997	50°/61°	-	52°
1996 New Hampshire Marathon Clear conditions throughout the day. 1996	30°/52°	-	26°