Tro Bro Leon Challenge
Road Cycling covering 202.5 km in Lannilis (Brittany, France)
Tro Bro Leon Challenge is an endurance sporting event in Lannilis, Brittany, FR focused on Road Cycling. Key features include Forest, Nature & Off-Road, Seaside & Coast, Unusual Venue.
The competition program features Road Cycling 202.5 km (202.5 km, +2,228 m D+). 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 (trobroleon.com).

Event characteristics
Races & distances (1)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Road Cycling 202.5 km | Road Cycling | 202.5 km | +2,228 m | 64 m - 1,000 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 64 m to 1,000 m above sea level (+2,228 m D+, -2,228 m D-)
Frequently asked questions (FAQ)
When and where does Tro Bro Leon Challenge take place?
Tro Bro Leon Challenge takes place in Lannilis, Brittany, FR (start area at coordinates 48.57° N, 4.522° W). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at Tro Bro Leon Challenge?
The competition program features Road Cycling 202.5 km (202.5 km, +2,228 m D+). The competitions belong to Road Cycling.
What is the course layout and elevation profile for Tro Bro Leon Challenge?
The main competition (Road Cycling 202.5 km over 202.5 km) is designed as a loop course featuring +2,228 m of elevation gain and -2,228 m of elevation loss, ranging between 64 m and 1,000 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 Tro Bro Leon Challenge?
Official race regulations, course details, and registration information are provided on the organizer's website (trobroleon.com).