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Course & Elevation

The Marathon de Nantes, presented as the Abalone Marathon de Nantes, is an urban marathon held on a Sunday in late April as part of a two-day running weekend. The race was created in 1981 at the initiative of the athletics section of the Nantes Étudiants Club, with 104 participants at the first edition; the 2027 race is billed as the 45th edition. The marathon starts at 09:15 under the Nefs of the Machines de l'Île and finishes at the Parc des Expositions de la Beaujoire. The organiser lists a route that goes through Place Graslin and Place Royale, the Parc de Procé, the Jardin des Plantes and the Île de Versailles, then follows the banks of the Erdre. A few kilometres before the finish, runners cross the Erdre on La Traversante, a 324-metre floating bridge first used in 2025. The half marathon starts at 08:00 from the same place, and the Foulées de l'éléphant 10K is run on the Saturday evening. The course is measured by FFA judges and carries the FFA Silver label, and the marathon qualifies runners for the French championships. The limit is 7,000 bibs and the time limit is 5 hours 45 minutes.

Surface: road Profile: Flat

Weather

Typical climate for the race month — an estimate, not a forecast or a race-day record

Temperature 11°C
Humidity 77%
Rain Chance 32%

In April, Nantes averages a high of about 16°C and a low of about 7°C, with rain of 1 mm or more on around 10 days of the month and relative humidity near 77%.

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Race Lore

From 104 Runners to 23,000

1981

The Nantes marathon was created in 1981 on the initiative of the athletics section of the Nantes Étudiants Club. The first edition had 104 participants. By 2026 the Abalone Marathon de Nantes had more than 23,000 runners across all its races and was ranked as the fifth-largest marathon in France.

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