An ultra in the
heart of Morbihan

16October2027
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Choose your trail!

Our races

/ 2027
The Ria 33
33
KM
The Ria 33
The full loop
80
KM
The full loop
The loop in pairs
RE
LAY
The loop in pairs
Coureur en mouvement
Foule de coureurs
Itinéraire : Locoal-Mendon, traversée d'Étel, Sainte-Hélène
The Ria d'Étel, our

Natural heritage

  • Natura 2000
  • ZNIEFF
  • Protected sites

A natural jewel
of Brittany

This former river valley flooded by the sea is home to remarkable biodiversity: migratory birds, fish, shellfish and unique flora. We are committed to preserving this treasure through various actions:

Runner in the Ria d'Étel
House with blue shutters, Saint-Cado Island
House with blue shutters — Saint-Cado Island (Morbihan)
Festivities in the Locoal-Mendon village

Locoal
festif

Locoal-Mendon

The nerve centre, designed as a place of exchange and conviviality for all participants.

RefreshmentsFirst aid
Get ready for

Training

  • Training plan
  • Nutrition
  • Gear

Get ready
for your trail!

Whether you're aiming to finish your trail or chase a personal best, here's all the advice you need to be at your peak on race day. We also offer a personal coach!

Stay ready!

Volunteers reflected in a runner's sunglasses
Join the adventure

Become a
volunteer

Thanks to all

Our partners

DecathlonOfficial
KinetikPrivilege
UTMB IndexMajor
PlancoëtMajor
Our partners