Ultra Marathon des Cirques
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About the race
The Ultra Marathon des Cirques is a trail running event in La Réunion with a single-loop course starting and finishing in Cilaos. The full distance is 64 km with about 5 000 m of positive elevation gain. The route crosses the three cirques of Cilaos, Salazie and Mafate and includes an out-and-back ascent to the Piton des Neiges, which reaches about 3 069 m.
The event proposes two competition formats: individual (solo) over the full loop and a two-person relay with the handover at Hell-Bourg (around km 25.5). The relay splits the loop into a first leg of roughly 26 km and a second leg of roughly 38 km. The race is controlled by time limits with a maximum allowed time of 23 hours 30 minutes.
Nine aid stations are distributed along the route, from departure to arrival, with supplies that range from water-only points at the Piton gite to full marathon-type stations and hot meals at the finish. The organiser sets mandatory equipment for all participants, including a mobile phone, at least 1 L of water at the start, a survival blanket, a headlamp with spare batteries, identity document, a cup, and a warm waterproof jacket.
Registrations are exclusively online via the organiser’s platform. Entry fees for 2027 are listed as 80 EUR for solo entries and 85 EUR per two-person relay team. Participant quotas are 1 050 solo runners and 75 relay teams. Visit the organization's website for the most recent information.
