Running races in Isère in Jul 2027

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  The Comboitise

  July 2027 · Seyssins, Isère · 10 km
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  Ut4m

  July 2027 · Grenoble, Isère · 180 Challenge · 180 Xtrem · 100 Master · 80 Challenge · 50 Belledonne · 50 Taillefer

  Ultra circling Grenoble's four Alpine massifs

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  La Fleur Du Roy Trail

  July 2027 · Corrençon-en-Vercors, Isère · 24 km · 14 km

  Firefighter-run trail through the Vercors massif

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  Oisans Trail Tour

  July 2027 · Villard-Reculas, Isère · Ultra Tour · Trail Tour · Trail Court · Trail Découverte

  Alpine singletrack winding through the Oisans high country

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  Defi de la Muzelle

  July 2027 · Les Deux Alpes, Isère · Le Grand Défi · Le Petit Défi

  Multi-stage mountain race across five days in the French Alps

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  Trail De Letendard

  July 2027 · Le Bourg-d'Oisans, Isère · Trail 65 km · Trail 44 km · Trail 22 km · Trail 16 km

  Alpine ultra through the Oisans massif near Alpe d'Huez

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  Trail Des 7 Laux

  July 2027 · Les Adrets, Isère · 25 km · 18 km · 10 km

  Trail beneath Belledonne's Sept Laux mountain lakes

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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.