La Douze Mont-Blanc Passy
Trail Running covering 3.5 km to 26.8 km with up to 1,460 m D+ in Passy (Auvergne-Rhône-Alpes, France)
La Douze Mont-Blanc Passy is an endurance sporting event in Passy, Auvergne-Rhône-Alpes, FR focused on Trail Running. Key features include Nature & Off-Road, Forest, Relay, Mountain.
The race program comprises 7 competitions, including Lachat'Ouille (26.75 km, +1,460 m D+), La Varanchette (18.75 km, +940 m D+), Les Miots (11.5 km, +560 m D+), Le Barmus (7 km, +340 m D+), The White Chamois (3.5 km, +80 m D+), and Trail 12h (12 h, +380 m D+) (7 competitions in total). The next edition is officially confirmed for May 22, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (ladouze-trail.com).

Event characteristics
Races & distances (7)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Lachat'Ouille | Trail Running | 26.75 km | +1,460 m | 1,003 m - 1,679 m | Loop course | Route & profile |
| La Varanchette | Trail Running | 18.75 km | +940 m | 1,008 m - 1,684 m | Loop course | Route & profile |
| Les Miots | Trail Running | 11.5 km | +560 m | 1,002 m - 1,412 m | Loop course | Route & profile |
| Le Barmus | Trail Running | 7 km | +340 m | 1,289 m - 1,616 m | Loop course | Route & profile |
| The White Chamois | Trail Running | 3.5 km | +80 m | 1,288 m - 1,368 m | Loop course | Route & profile |
| Trail 12h | Trail Running | 12 h | +380 m | 995 m - 1,079 m | Multi-lap course | Route & profile |
| Relays of 2, 3 or 4 | Trail Running | 12 h | +380 m | 998 m - 1,082 m | Multi-lap course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 1,003 m to 1,679 m above sea level (+1,460 m D+, -1,460 m D-)
Elevation profile & course telemetry
Altitude from 1,008 m to 1,684 m above sea level (+940 m D+, -940 m D-)
Elevation profile & course telemetry
Altitude from 1,002 m to 1,412 m above sea level (+560 m D+, -560 m D-)
Elevation profile & course telemetry
Altitude from 1,289 m to 1,616 m above sea level (+340 m D+, -340 m D-)
Elevation profile & course telemetry
Altitude from 1,288 m to 1,368 m above sea level (+80 m D+, -80 m D-)
Elevation profile & course telemetry
Altitude from 995 m to 1,079 m above sea level (+380 m D+, -380 m D-)
Elevation profile & course telemetry
Altitude from 998 m to 1,082 m above sea level (+380 m D+, -380 m D-)
Frequently asked questions (FAQ)
When and where does La Douze Mont-Blanc Passy take place?
La Douze Mont-Blanc Passy takes place in Passy, Auvergne-Rhône-Alpes, FR (start area at coordinates 45.9166° N, 6.6912° E). The next edition is officially confirmed for May 22, 2027.
What races and distances are offered at La Douze Mont-Blanc Passy?
The race program comprises 7 competitions, including Lachat'Ouille (26.75 km, +1,460 m D+), La Varanchette (18.75 km, +940 m D+), Les Miots (11.5 km, +560 m D+), Le Barmus (7 km, +340 m D+), The White Chamois (3.5 km, +80 m D+), and Trail 12h (12 h, +380 m D+) (7 competitions in total). The competitions belong to Trail Running.
What is the course layout and elevation profile for La Douze Mont-Blanc Passy?
The main competition (Lachat'Ouille over 26.75 km) is designed as a loop course featuring +1,460 m of elevation gain and -1,460 m of elevation loss, ranging between 1,003 m and 1,679 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 Douze Mont-Blanc Passy?
Official race regulations, course details, and registration information are provided on the organizer's website (ladouze-trail.com).