The Infernal Loop
Trail Running covering 6.7 km with up to 75 m D+ in Chaignay (Bourgogne-Franche-Comté, France)
The Infernal Loop is an endurance sporting event in Chaignay, Bourgogne-Franche-Comté, FR focused on Trail Running. Key features include Nature & Off-Road, Forest, Mountain, Backyard Ultra.
The competition program features Trail 6.7 km (6.7 km, +75 m D+). The next edition is officially confirmed for June 5, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (olympique-de-chaignay.footeo.com).

Event characteristics
Races & distances (1)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Trail 6.7 km | Trail Running | 6.7 km | +75 m | 329 m - 345 m | Multi-lap course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 329 m to 345 m above sea level (+75 m D+, -75 m D-)
Frequently asked questions (FAQ)
When and where does The Infernal Loop take place?
The Infernal Loop takes place in Chaignay, Bourgogne-Franche-Comté, FR (start area at coordinates 47.4761° N, 5.0709° E). The next edition is officially confirmed for June 5, 2027.
What races and distances are offered at The Infernal Loop?
The competition program features Trail 6.7 km (6.7 km, +75 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for The Infernal Loop?
The main competition (Trail 6.7 km over 6.7 km) is designed as a multi-lap course featuring +75 m of elevation gain and -75 m of elevation loss, ranging between 329 m and 345 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 The Infernal Loop?
Official race regulations, course details, and registration information are provided on the organizer's website (olympique-de-chaignay.footeo.com).