Running races in Seine-Maritime

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  Trail Des Requins

  Sun 17 Jan 2027 · Grand-Couronne, Seine-Maritime · 20 km · 10 km
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  Le Trail Fort Et Vert

  Sun 31 Jan 2027 · Mesnières-en-Bray, Seine-Maritime · 62 km · 42 km · 32 km · 22 km · 12 km · 11 km
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  Urban Trail Dieppe

  Sun 7 Feb 2027 · Dieppe, Seine-Maritime · 19 km · 12.5 km · 11 km
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  Les 30 Bornes de Saint-Paër

  February 2027 · Saint-Paër, Seine-Maritime · Marathon

  Includes a 5-person relay category

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  Le Radicatrail

  April 2027 · Lillebonne, Seine-Maritime · 124 km · 62 km · 34 km · 17 km · 14 km

  Trail linking the Tancarville bridge to Roman Lillebonne

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  Trail De La Foret Verte

  June 2027 · Bois-Guillaume, Seine-Maritime · Trail 25 km · Trail 13 km

  Loops through Rouen's Forêt Verte woodland

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  10 Km De Saint Adresse

  June 2027 · Sainte-Adresse, Seine-Maritime · 10 km · 5 km

  Coastal 10K along Sainte-Adresse's Channel views

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  Trail Du Rouvray

  July 2027 · Saint-Étienne-du-Rouvray, Seine-Maritime · 22 km · 16 km · 10 km

  Loops through the ancient Forêt de Rouvray, Normandy

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  Trail Du Melon

  August 2027 · Beaubec-la-Rosière, Seine-Maritime · 19 km · 12.5 km
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  Trail Sang Relache

  August 2027 · Belbeuf, Seine-Maritime · 20 km · 10 km · 5 km
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The Eight Majors

Chasing the majors?

Worth the flight

Somewhere worth the flight?

Big city halves

A half, and a city break?

The great 10Ks

Short enough to fly for?

Epic trails

Ready for something wild?

Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.