Maine Marathon

Portland, ME, USA • October 04, 2026

Race Day Weather

48°

63° high

Light

Dry

Cool start, manageable conditions

Runners will face a temperature range from 51°F at the start to 63°F by the finish, with an average humidity of 70%. Wind will primarily be a crosswind, with tailwinds in segments like Miles 1 and 5-6, but a headwind will challenge athletes in Miles 13 and 17-23. Pacing adjustments may be beneficial in the headwind sections, and staying hydrated is crucial given the humidity.

Race day forecast available in 187 days

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Pre-raceRace windowPost-race

The Gorham Savings Bank Maine Marathon, formerly known as the Casco Bay Marathon, is a series of USATF-certified road running events held each October in Portland, Maine that includes a full marathon, a half marathon, and a marathon relay. The course is an out-and-back that starts and finishes along the Back Cove of Portland, going up the coast to Yarmouth and back. Wikipedia

FAQ

When is the 2026 Maine Marathon?

The 2026 Maine Marathon will be held on Sunday October 4, 2026.

Is the Maine Marathon a Boston Marathon Qualifier?

Yes, the Maine Marathon is an official Boston Marathon qualifier.

What is the time limit for the Maine Marathon?

The time limit for the Maine Marathon is 6.25 hours.

Historical Weather

Based on 25 years of data

Avg Temp

61°F

L:49° H:61°

RunScore

Conditions

Rain Freq

12%

3 of 25 yrs

Wind8mph

Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Maine Marathon Clear conditions throughout the day. 2025	56°/78°	-	54°
2024 Maine Marathon Partly cloudy throughout the day. 2024	47°/60°	-	47°
2023 Maine Marathon Partly cloudy throughout the day. 2023	50°/74°	-	55°
2022 Maine Marathon Partly cloudy throughout the day. 2022	47°/53°	-	30°
2021 Maine Marathon Cloudy skies throughout the day with rain in the morning and afternoon. 2021	54°/56°	Light	54°
2019 Maine Marathon Partly cloudy throughout the day. 2019	39°/59°	-	43°
2018 Maine Marathon Partly cloudy throughout the day. 2018	51°/64°	-	47°
2017 Maine Marathon Clear conditions throughout the day. 2017	42°/65°	-	39°
2016 Maine Marathon Cloudy skies throughout the day with early morning rain. 2016	50°/58°	-	49°
2015 Maine Marathon Becoming cloudy in the afternoon. 2015	44°/54°	-	36°
2014 Maine Marathon Partly cloudy throughout the day with early morning rain. 2014	56°/66°	-	49°
2013 Maine Marathon Cloudy skies throughout the day with rain. 2013	50°/53°	-	40°
2012 Maine Marathon Partly cloudy throughout the day with rain in the morning and afternoon. 2012	54°/57°	Light	54°
2011 Maine Marathon Cloudy skies throughout the day with rain. 2011	53°/58°	Light	53°
2010 Maine Marathon Clear conditions throughout the day. 2010	44°/57°	-	41°
2009 Maine Marathon Cloudy skies throughout the day with early morning rain. 2009	55°/62°	-	56°
2008 Maine Marathon Partly cloudy throughout the day. 2008	40°/59°	-	41°
2007 Maine Marathon Clearing in the afternoon with early morning rain. 2007	53°/63°	-	46°
2006 Maine Marathon Partly cloudy throughout the day with rain. 2006	57°/59°	-	50°
2005 Maine Marathon Clear conditions throughout the day. 2005	50°/73°	-	50°
2004 Maine Marathon Partly cloudy throughout the day. 2004	49°/61°	-	38°
2003 Maine Marathon Becoming cloudy in the afternoon. 2003	40°/54°	-	38°
2002 Maine Marathon Clear conditions throughout the day. 2002	49°/59°	-	40°
2001 Maine Marathon Becoming cloudy in the afternoon. 2001	43°/57°	-	34°
2000 Maine Marathon Clear conditions throughout the day. 2000	45°/66°	-	48°