Marathon de Nantes

Nantes, Loire-Atlantique, France · April 25, 2027

52°·61° high·Breezy·Dry

Weather

Race Day Weather

52°at start

62° high

Breezy

Dry

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Cool start, gradual warm-up

Runners will face temperatures rising from 52°F at the start to 61°F by race end. Winds from the W at 10 mph may provide a light headwind, but overall, wind will be a minor factor. With humidity at 69%, runners should consider a conservative pace to manage the conditions effectively.

Race day forecast available in 164 days

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Distance: 26.2mi

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Race Info

The Marathon de Nantes runs through the city of Nantes in western France, starting at the Machines de l'Île and finishing at the Parc des Expositions de La Beaujoire. The course passes Place Graslin, Place Royale, Parc de Procé and the Erdre riverbanks, crossing a 324-meter floating pontoon built for the race near the finish. The marathon carries FFA Silver Label certification and serves as a French national championship qualifier. The 2026 edition drew a record 23,000 runners across its marathon, half marathon, 10K and relay races, with the marathon field selling out at 7,000 bibs.

Website

Race weekend

Saturday, April 24

9:30 PMLes Foulées de l'Éléphant (6.2 mi)

Sunday, April 25

8:00 AMSemi-Marathon (13.1 mi)

Course Map

FAQ

When is the 2027 Marathon de Nantes?

The 2027 Marathon de Nantes will be held on Sunday April 25, 2027.

What is the time limit for the Marathon de Nantes?

The time limit for the Marathon de Nantes is 5.75 hours.

What will the weather be like for the 2027 Marathon de Nantes?

The forecast calls for a high of 63°F and a low of 46°F with a 10% chance of rain.

What is the elevation profile of the Marathon de Nantes?

The Marathon de Nantes has 235ft of total elevation gain.

Historical Weather

Based on 24 years of data

Avg Temp

54°F

L:49° H:57°

RunScore

Conditions

Rain Freq

29%

7 of 24 yrs

Wind10mph

Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Marathon de Nantes Partly cloudy throughout the day. 2026	52°/73°	-	51°
2025 Marathon de Nantes Clear conditions throughout the day. 2025	51°/65°	-	50°
2024 Marathon de Nantes Becoming cloudy in the afternoon. 2024	45°/52°	-	36°
2023 Marathon de Nantes Partly cloudy throughout the day with a chance of rain throughout the day. 2023	54°/59°	Light	51°
2022 Marathon de Nantes Partly cloudy throughout the day. 2022	53°/66°	-	45°
2019 Marathon de Nantes Partly cloudy throughout the day. 2019	50°/55°	-	45°
2018 Marathon de Nantes Partly cloudy throughout the day. 2018	59°/69°	-	56°
2017 Marathon de Nantes Partly cloudy throughout the day with rain. 2017	50°/59°	Light	48°
2016 Marathon de Nantes Becoming cloudy in the afternoon. 2016	43°/52°	-	34°
2015 Marathon de Nantes Partly cloudy throughout the day. 2015	48°/59°	-	34°
2014 Marathon de Nantes Partly cloudy throughout the day with a chance of rain throughout the day. 2014	51°/54°	Light	49°
2013 Marathon de Nantes Partly cloudy throughout the day. 2013	43°/55°	-	37°
2012 Marathon de Nantes Partly cloudy throughout the day with morning rain. 2012	44°/50°	-	38°
2011 Marathon de Nantes Clear conditions throughout the day. 2011	50°/64°	-	39°
2010 Marathon de Nantes Partly cloudy throughout the day with rain. 2010	52°/57°	Light	47°
2009 Marathon de Nantes Cloudy skies throughout the day with rain. 2009	48°/50°	Light	48°
2008 Marathon de Nantes Partly cloudy throughout the day with rain. 2008	52°/60°	Light	49°
2007 Marathon de Nantes Partly cloudy throughout the day. 2007	53°/69°	-	57°
2006 Marathon de Nantes Partly cloudy throughout the day. 2006	45°/49°	-	38°
2005 Marathon de Nantes Partly cloudy throughout the day. 2005	49°/59°	-	44°
2004 Marathon de Nantes Partly cloudy throughout the day with early morning rain. 2004	48°/57°	-	46°
2003 Marathon de Nantes Partly cloudy throughout the day. 2003	45°/49°	-	37°
2002 Marathon de Nantes Cloudy skies throughout the day with rain. 2002	44°/46°	Light	35°
2001 Marathon de Nantes Partly cloudy throughout the day with early morning rain. 2001	47°/53°	-	38°