Trail Running

The Yvelines Diagonal

Trail Running covering 12 km to 103 km with up to 1,500 m D+ in Breuil-Bois-Robert (Île-de-France, France)

LocationBreuil-Bois-Robert, Île-de-France, FranceShow on map(48.9456° N, 1.7170° E)
Date & StatusApril 3, 2027Date confirmed
Elevation gainUp to +1,500 m

The Yvelines Diagonal is an endurance sporting event in Breuil-Bois-Robert, Île-de-France, FR focused on Trail Running. Key features include Nature & Off-Road, Forest, Castles, Mountain.

The race program comprises 5 competitions, including Trail 103 km (103 km, +1,500 m D+), Trail 80 km (80 km, +1,000 m D+), Trail 50 km (50 km, +750 m D+), Trail 23 km (23 km, +400 m D+), and Trail (12 km, +200 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 (ladiag78.fr).

Official website
The Yvelines Diagonal in Breuil-Bois-Robert (Work: "Château de Chenonceau - communs (12)", Photo: Fab5669, License: CC BY-SA 4.0, Source: Wikimedia Commons)
"Château de Chenonceau - communs (12)" · Photo: Fab5669 · Wikimedia CommonsCC BY-SA 4.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

Nature & Off-RoadForestCastlesMountainHigh Altitude

Races & distances (5)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
Trail 103 kmTrail Running103 km+1,500 m47 m - 677 mLoop courseRoute & profile
Trail 80 kmTrail Running80 km+1,000 m50 m - 470 mLoop courseRoute & profile
Trail 50 kmTrail Running50 km+750 m53 m - 368 mLoop courseRoute & profile
Trail 23 kmTrail Running23 km+400 m56 m - 224 mLoop courseRoute & profile
TrailTrail Running12 km+200 m59 m - 143 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
103 km
Elevation gain
+1,500 m D+
Elevation loss
-1,500 m D-
Altitude range
47 m - 677 m
Gradient (Avg / Max)
2.9 % / 5.2 %
Course format
Loop course
103 km+1,500 m D+
Start (S)Finish (F)
N20406080FS48.9456° N, 1.7170° E

Elevation profile & course telemetry

Altitude from 47 m to 677 m above sea level (+1,500 m D+, -1,500 m D-)

Peak: 677 m·at 27 km·Ø 2.9 %
47 m257 m467 m677 m0 km20.6 km41.2 km61.8 km82.4 km103 km677 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does The Yvelines Diagonal take place?

The Yvelines Diagonal takes place in Breuil-Bois-Robert, Île-de-France, FR (start area at coordinates 48.9456° N, 1.717° E). The next edition is officially confirmed for April 3, 2027.

What races and distances are offered at The Yvelines Diagonal?

The race program comprises 5 competitions, including Trail 103 km (103 km, +1,500 m D+), Trail 80 km (80 km, +1,000 m D+), Trail 50 km (50 km, +750 m D+), Trail 23 km (23 km, +400 m D+), and Trail (12 km, +200 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for The Yvelines Diagonal?

The main competition (Trail 103 km over 103 km) is designed as a loop course featuring +1,500 m of elevation gain and -1,500 m of elevation loss, ranging between 47 m and 677 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 Yvelines Diagonal?

Official race regulations, course details, and registration information are provided on the organizer's website (ladiag78.fr).