Ultra Trail des Géants
Trail Running covering 173.8 km with up to 10,657 m D+ in Basse Vallée (Réunion, Réunion)
Ultra Trail des Géants is an endurance sporting event in Basse Vallée, Réunion, RE focused on Trail Running. Key features include Mountain, High Altitude, Nature & Off-Road, Seaside & Coast.
The competition program features Trail 173.75 km (173.75 km, +10,657 m D+). The next edition is officially confirmed for May 6, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (utoi.re).

Event characteristics
Races & distances (1)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Trail 173.75 km | Trail Running | 173.75 km | +10,657 m | 8 m - 4,484 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 8 m to 4,484 m above sea level (+10,657 m D+, -10,657 m D-)
Frequently asked questions (FAQ)
When and where does Ultra Trail des Géants take place?
Ultra Trail des Géants takes place in Basse Vallée, Réunion, RE (start area at coordinates 21.3712° S, 55.7117° E). The next edition is officially confirmed for May 6, 2027.
What races and distances are offered at Ultra Trail des Géants?
The competition program features Trail 173.75 km (173.75 km, +10,657 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for Ultra Trail des Géants?
The main competition (Trail 173.75 km over 173.75 km) is designed as a loop course featuring +10,657 m of elevation gain and -10,657 m of elevation loss, ranging between 8 m and 4,484 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for Ultra Trail des Géants?
Official race regulations, course details, and registration information are provided on the organizer's website (utoi.re).