Road Running Challenge de la Convivialité

Marathon De La Mer

Road Running covering 10 km to 42.2 km with up to 306 m D+ in Boulogne-sur-Mer (Hauts-de-France, France)

Location

Boulogne-sur-Mer, Hauts-de-France, FranceShow on map(50.7305° N, 1.5945° E)

Date & StatusDate to be announcedDate TBA

Elevation gainUp to +306 m

Marathon De La Mer is an endurance sporting event in Boulogne-sur-Mer, Hauts-de-France, FR focused on Road Running. It is part of Challenge de la Convivialité. Key features include City Run, Festive, Seaside & Coast.

The race program comprises 3 competitions, including Marathon (42.2 km, +306 m D+), Half Marathon (21.1 km, +158 m D+), and Road Running 10 km (10 km, +40 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 (marathondelamer.com).

Official website

Marathon De La Mer in Boulogne-sur-Mer (Work: "Cap Blanc-Nez, view to the cliffs of Dover", Photo: Dguendel, License: CC BY 4.0, Source: Wikimedia Commons) — "Cap Blanc-Nez, view to the cliffs of Dover" · Photo: **Dguendel** · Wikimedia CommonsCC BY 4.0
Cropped to 16:9 (960 × 540 px), WebP

Event characteristics

City Run Festive Seaside & Coast

Races & distances (3)

Competition	Discipline	Distance	Elevation gain	Altitude range	Course type	Course & profile
Marathon	Road Running	42.2 km	+306 m	8 m - 137 m	Loop course	Route & profile
Half Marathon	Road Running	21.1 km	+158 m	11 m - 77 m	Loop course	Route & profile
Road Running 10 km	Road Running	10 km	+40 m	14 m - 31 m	Loop course	Route & profile

Course & Elevation Telemetry

Course route & map

Distance

42.2 km

Elevation gain

+306 m D+

Elevation loss

-306 m D-

Altitude range

8 m - 137 m

Gradient (Avg / Max)

1.5 % / 2.7 %

Course format

Loop course

42.2 km+306 m D+Peak 137 m

Start (S)Finish (F)DownhillFlatClimbSteep

Elevation profile & course telemetry

Altitude from 8 m to 137 m above sea level (+306 m D+, -306 m D-)

Peak: 137 m·at 15.4 km·Ø 1.5 %

Event Information & Answers

Frequently asked questions (FAQ)

When and where does Marathon De La Mer take place?

Marathon De La Mer takes place in Boulogne-sur-Mer, Hauts-de-France, FR (start area at coordinates 50.7305° N, 1.5945° 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 Marathon De La Mer?

The race program comprises 3 competitions, including Marathon (42.2 km, +306 m D+), Half Marathon (21.1 km, +158 m D+), and Road Running 10 km (10 km, +40 m D+). The competitions belong to Road Running.

What is the course layout and elevation profile for Marathon De La Mer?

The main competition (Marathon over 42.2 km) is designed as a loop course featuring +306 m of elevation gain and -306 m of elevation loss, ranging between 8 m and 137 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 Marathon De La Mer?

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