Trail of Guerlédan
Trail Running covering 8 km to 100 km with up to 2,500 m D+ in Bon Repos sur Blavet (Brittany, France)
Trail of Guerlédan is an endurance sporting event in Bon Repos sur Blavet, Brittany, FR focused on Trail Running. First held in 1999, the event is an established fixture on the endurance calendar. Key features include Nature & Off-Road, Lakes & Ponds, Kids & Youth Races, High Altitude.
The race program comprises 8 competitions, including The challenge: 100 kilometers without limits (100 km, +3,800 m D+), Guerlédan Trail (66 km, +2,500 m D+), Breuil Trail (44 km, +1,672 m D+), Slates Trail (34 km, +1,100 m D+), The Interceltic (26 km, +800 m D+), and Liscuis Trail (13 km, +370 m D+) (8 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 (traildeguerledan.com).

Races & distances (8)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| The challenge: 100 kilometers without limits | Trail Running | 100 km | +3,800 m | 63 m - 1,659 m | Loop course | Route & profile |
| Guerlédan Trail | Trail Running | 66 km | +2,500 m | 66 m - 1,116 m | Loop course | Route & profile |
| Breuil Trail | Trail Running | 44 km | +1,672 m | 69 m - 771 m | Loop course | Route & profile |
| Slates Trail | Trail Running | 34 km | +1,100 m | 72 m - 534 m | Loop course | Route & profile |
| The Interceltic | Trail Running | 26 km | +800 m | 75 m - 411 m | Loop course | Route & profile |
| Liscuis Trail | Trail Running | 13 km | +370 m | 63 m - 218 m | Loop course | Route & profile |
| The Daughters of the Forges | Trail Running | 9 km | +250 m | 66 m - 171 m | Loop course | Route & profile |
| Korrigans Trail | Trail Running | 8 km | +304 m | 69 m - 197 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 63 m to 1,659 m above sea level (+3,800 m D+, -3,800 m D-)
Elevation profile & course telemetry
Altitude from 66 m to 1,116 m above sea level (+2,500 m D+, -2,500 m D-)
Elevation profile & course telemetry
Altitude from 69 m to 771 m above sea level (+1,672 m D+, -1,672 m D-)
Elevation profile & course telemetry
Altitude from 72 m to 534 m above sea level (+1,100 m D+, -1,100 m D-)
Elevation profile & course telemetry
Altitude from 75 m to 411 m above sea level (+800 m D+, -800 m D-)
Elevation profile & course telemetry
Altitude from 63 m to 218 m above sea level (+370 m D+, -370 m D-)
Elevation profile & course telemetry
Altitude from 66 m to 171 m above sea level (+250 m D+, -250 m D-)
Elevation profile & course telemetry
Altitude from 69 m to 197 m above sea level (+304 m D+, -304 m D-)
Frequently asked questions (FAQ)
When and where does Trail of Guerlédan take place?
Trail of Guerlédan takes place in Bon Repos sur Blavet, Brittany, FR (start area at coordinates 48.2114° N, 3.1266° 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 Trail of Guerlédan?
The race program comprises 8 competitions, including The challenge: 100 kilometers without limits (100 km, +3,800 m D+), Guerlédan Trail (66 km, +2,500 m D+), Breuil Trail (44 km, +1,672 m D+), Slates Trail (34 km, +1,100 m D+), The Interceltic (26 km, +800 m D+), and Liscuis Trail (13 km, +370 m D+) (8 competitions in total). The competitions belong to Trail Running.
What is the course layout and elevation profile for Trail of Guerlédan?
The main competition (The challenge: 100 kilometers without limits over 100 km) is designed as a loop course featuring +3,800 m of elevation gain and -3,800 m of elevation loss, ranging between 63 m and 1,659 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 Trail of Guerlédan?
Official race regulations, course details, and registration information are provided on the organizer's website (traildeguerledan.com).