La Grésylienne
Trail Running and Walking & Hiking covering 9.7 km to 40.5 km with up to 1,650 m D+ in Grésy-sur-Aix (Auvergne-Rhône-Alpes, France)
La Grésylienne is an endurance sporting event in Grésy-sur-Aix, Auvergne-Rhône-Alpes, FR focused on Trail Running and Walking & Hiking. Key features include Nature & Off-Road, Lakes & Ponds, City Run, Relay.
The race program comprises 7 competitions, including Trail de Corsuet Crémaillière (Relay) (40.5 km, +1,600 m D+), Trail 40.5 km (40.5 km, +1,650 m D+), Trail 25 km (25 km, +1,173 m D+), Trail des Balcons Crémaillère (15.8 km, +480 m D+), Walking 15.8 km (15.8 km, +480 m D+), and Trail des Balcons du Lac (9.7 km, +270 m D+) (7 competitions in total). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (lagresylienne.fr).

Event characteristics
Races & distances (7)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Trail de Corsuet Crémaillière (Relay) | Trail Running | 40.5 km | +1,600 m | 250 m - 711 m | Loop course | Route & profile |
| Trail 40.5 km | Trail Running | 40.5 km | +1,650 m | 250 m - 711 m | Loop course | Route & profile |
| Trail 25 km | Trail Running | 25 km | +1,173 m | 251 m - 704 m | Loop course | Route & profile |
| Trail des Balcons Crémaillère | Trail Running | 15.8 km | +480 m | 356 m - 558 m | Loop course | Route & profile |
| Walking 15.8 km | Walking & Hiking | 15.8 km | +480 m | 347 m - 628 m | Loop course | Route & profile |
| Trail des Balcons du Lac | Trail Running | 9.7 km | +270 m | 346 m - 467 m | Loop course | Route & profile |
| Walking 9.7 km | Walking & Hiking | 9.7 km | +270 m | 346 m - 467 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 250 m to 711 m above sea level (+1,600 m D+, -1,600 m D-)
Elevation profile & course telemetry
Altitude from 250 m to 711 m above sea level (+1,650 m D+, -1,650 m D-)
Elevation profile & course telemetry
Altitude from 251 m to 704 m above sea level (+1,173 m D+, -1,173 m D-)
Elevation profile & course telemetry
Altitude from 356 m to 558 m above sea level (+480 m D+, -480 m D-)
Elevation profile & course telemetry
Altitude from 347 m to 628 m above sea level (+480 m D+, -480 m D-)
Elevation profile & course telemetry
Altitude from 346 m to 467 m above sea level (+270 m D+, -270 m D-)
Elevation profile & course telemetry
Altitude from 346 m to 467 m above sea level (+270 m D+, -270 m D-)
Frequently asked questions (FAQ)
When and where does La Grésylienne take place?
La Grésylienne takes place in Grésy-sur-Aix, Auvergne-Rhône-Alpes, FR (start area at coordinates 45.7226° N, 5.9328° E). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at La Grésylienne?
The race program comprises 7 competitions, including Trail de Corsuet Crémaillière (Relay) (40.5 km, +1,600 m D+), Trail 40.5 km (40.5 km, +1,650 m D+), Trail 25 km (25 km, +1,173 m D+), Trail des Balcons Crémaillère (15.8 km, +480 m D+), Walking 15.8 km (15.8 km, +480 m D+), and Trail des Balcons du Lac (9.7 km, +270 m D+) (7 competitions in total). The competitions belong to Trail Running and Walking & Hiking.
What is the course layout and elevation profile for La Grésylienne?
The main competition (Trail de Corsuet Crémaillière (Relay) over 40.5 km) is designed as a loop course featuring +1,600 m of elevation gain and -1,600 m of elevation loss, ranging between 250 m and 711 m above sea level. An interactive course map with a verified 3D GPS track, kilometer markers, and GPX download is available in the course section on this page.
Where can I find registration and official race rules for La Grésylienne?
Official race regulations, course details, and registration information are provided on the organizer's website (lagresylienne.fr).