Le Sourire d'Erwan
Trail Running and Walking & Hiking covering 1 km to 21 km in Les Granges-le-Roi (Île-de-France, France)
Le Sourire d'Erwan is an endurance sporting event in Les Granges-le-Roi, Île-de-France, FR focused on Trail Running, Walking & Hiking, Mountain Biking and Nordic Walking. Key features include Nature & Off-Road, Forest, Charity Run, Seaside & Coast.
The race program comprises 8 competitions, including Trail 21 km (21 km, +546 m D+), MTB 21 km (21 km, +546 m D+), Trail 10 km (10 km, +260 m D+), Walking 10 km (10 km, +45 m D+), Nordic Walking 10 km (10 km, +45 m D+), and Trail 5 km (5 km, +130 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 (le-sourire-d-erwan.fr).

Event characteristics
Races & distances (8)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Trail 21 km | Trail Running | 21 km | +546 m | 60 m - 289 m | Loop course | Route & profile |
| MTB 21 km | Mountain Biking | 21 km | +546 m | 63 m - 292 m | Loop course | Route & profile |
| Trail 10 km | Trail Running | 10 km | +260 m | 66 m - 175 m | Loop course | Route & profile |
| Walking 10 km | Walking & Hiking | 10 km | +45 m | 69 m - 88 m | Loop course | Route & profile |
| Nordic Walking 10 km | Nordic Walking | 10 km | +45 m | 72 m - 91 m | Loop course | Route & profile |
| Trail 5 km | Trail Running | 5 km | +130 m | 60 m - 115 m | Loop course | Route & profile |
| Walking 5 km | Walking & Hiking | 5 km | +22 m | 63 m - 72 m | Loop course | Route & profile |
| Walking 1 km | Walking & Hiking | 1 km | +4 m | 66 m - 68 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 60 m to 289 m above sea level (+546 m D+, -546 m D-)
Elevation profile & course telemetry
Altitude from 63 m to 292 m above sea level (+546 m D+, -546 m D-)
Elevation profile & course telemetry
Altitude from 66 m to 175 m above sea level (+260 m D+, -260 m D-)
Elevation profile & course telemetry
Altitude from 69 m to 88 m above sea level (+45 m D+, -45 m D-)
Elevation profile & course telemetry
Altitude from 72 m to 91 m above sea level (+45 m D+, -45 m D-)
Elevation profile & course telemetry
Altitude from 60 m to 115 m above sea level (+130 m D+, -130 m D-)
Elevation profile & course telemetry
Altitude from 63 m to 72 m above sea level (+22 m D+, -22 m D-)
Elevation profile & course telemetry
Altitude from 66 m to 68 m above sea level (+4 m D+, -4 m D-)
Frequently asked questions (FAQ)
When and where does Le Sourire d'Erwan take place?
Le Sourire d'Erwan takes place in Les Granges-le-Roi, Île-de-France, FR (start area at coordinates 48.5023° N, 2.0195° E). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at Le Sourire d'Erwan?
The race program comprises 8 competitions, including Trail 21 km (21 km, +546 m D+), MTB 21 km (21 km, +546 m D+), Trail 10 km (10 km, +260 m D+), Walking 10 km (10 km, +45 m D+), Nordic Walking 10 km (10 km, +45 m D+), and Trail 5 km (5 km, +130 m D+) (8 competitions in total). The competitions belong to Trail Running, Walking & Hiking, Mountain Biking and Nordic Walking.
What is the course layout and elevation profile for Le Sourire d'Erwan?
The main competition (Trail 21 km over 21 km) is designed as a loop course featuring +546 m of elevation gain and -546 m of elevation loss, ranging between 60 m and 289 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 Le Sourire d'Erwan?
Official race regulations, course details, and registration information are provided on the organizer's website (le-sourire-d-erwan.fr).