USOL Trail Challenge
Trail Running covering 4.3 km with up to 380 m D+ in Vaugneray (Auvergne-Rhône-Alpes, France)
USOL Trail Challenge is an endurance sporting event in Vaugneray, Auvergne-Rhône-Alpes, FR focused on Trail Running. Key features include Nature & Off-Road, Relay, Mountain, Timed Run.
The race program comprises 4 competitions, including Contre-la-Montre (4.3 km, +380 m D+), Ultra 12h (12 h, +323 m D+), Ultra 12h (Relay of 2) (12 h, +380 m D+), and Ultra 12h (Relay of 3) (12 h, +380 m D+). The next edition is officially confirmed for April 3, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (outdoor.usol.fr).

Event characteristics
Races & distances (4)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Contre-la-Montre | Trail Running | 4.3 km | +380 m | 369 m - 728 m | Point-to-point course | Route & profile |
| Ultra 12h | Trail Running | 12 h | +323 m | 369 m - 655 m | Loop course | Route & profile |
| Ultra 12h (Relay of 2) | Trail Running | 12 h | +380 m | 375 m - 459 m | Multi-lap course | Route & profile |
| Ultra 12h (Relay of 3) | Trail Running | 12 h | +380 m | 378 m - 462 m | Multi-lap course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 369 m to 728 m above sea level (+380 m D+, -59 m D-)
Elevation profile & course telemetry
Altitude from 369 m to 655 m above sea level (+323 m D+, -323 m D-)
Elevation profile & course telemetry
Altitude from 375 m to 459 m above sea level (+380 m D+, -380 m D-)
Elevation profile & course telemetry
Altitude from 378 m to 462 m above sea level (+380 m D+, -380 m D-)
Frequently asked questions (FAQ)
When and where does USOL Trail Challenge take place?
USOL Trail Challenge takes place in Vaugneray, Auvergne-Rhône-Alpes, FR (start area at coordinates 45.7374° N, 4.658° E). The next edition is officially confirmed for April 3, 2027.
What races and distances are offered at USOL Trail Challenge?
The race program comprises 4 competitions, including Contre-la-Montre (4.3 km, +380 m D+), Ultra 12h (12 h, +323 m D+), Ultra 12h (Relay of 2) (12 h, +380 m D+), and Ultra 12h (Relay of 3) (12 h, +380 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for USOL Trail Challenge?
The main competition (Contre-la-Montre over 4.3 km) is designed as a point-to-point course featuring +380 m of elevation gain and -59 m of elevation loss, ranging between 369 m and 728 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 USOL Trail Challenge?
Official race regulations, course details, and registration information are provided on the organizer's website (outdoor.usol.fr).