Race Through Dunes and Sea: A Journey of Discovery The Entre Dunes et Mer race is set to captivate runners with its unique blend of scenic beauty and historical significance. This annual event, part of the prestigious Challenge des Dunes de Flandre and the Nord Évasion challenge, offers a variety of distances that cater to both seasoned athletes and trail running enthusiasts. For those seeking an immersive experience in one of France’s most remarkable landscapes, the Grand Trail des Dunes de Flandre presents a challenging 42 km route. This new course takes runners through the heart of the Parc du Vent, offering breathtaking views as they navigate the shifting sands of La Dune Marchande and La Dune Dewulf. The trail continues along the pristine beach before venturing into Ghyvelde to explore its fossil dunes. The 18 km race provides an excellent introduction to the unique environment surrounding Dunkirk, while shorter distances of 6 km and 11 km offer a delightful way for beginners to experience the trails around Leffrinckoucke. Each course is designed to showcase the natural beauty and cultural heritage of this coastal region. Beyond its competitive spirit, Entre Dunes et Mer promotes community engagement through partnerships with Les Clowns de l'Espoir and Association Accolade. Participants have the option to contribute during registration, supporting initiatives that bring joy to hospitalized children and raise awareness for pediatric cancer research. Every step taken contributes to a solidarity fund dedicated to these causes. To enhance the race experience, special activities are organized for runners and their companions. A guided tour of Fort des Dunes in Leffrinckoucke offers an insight into local history on Saturday afternoon, while Sunday morning sees a group exploration led by a certified guide from the Centre Permanent d'Initiatives pour l’Environnement (CPIE), allowing visitors to delve deeper into the ecological importance of the area. With its stunning coastal scenery and rich cultural heritage, Entre Dunes et Mer invites runners to explore one of France’s most cherished natural sites. Whether you’re chasing personal bests or simply enjoying a scenic journey through history and nature, this race promises an unforgettable adventure in Flanders’ iconic dune landscapes. Join the ranks of those who have already discovered the unique allure of racing along the shifting sands and historic fortifications that define this special corner of France. Experience the blend of physical challenge and environmental appreciation firsthand during Entre Dunes et Mer's annual event, a celebration of nature’s beauty and humanity’s resilience in the face of adversity.
Races Offered
Dimanche de 9h15 à 11h15 - 3,5 km
Sep 13, 2026
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Distance —
3.5K
terrain
Type —
Running
timer
09:15
sell
€0.00
11 km
Sep 13, 2026
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Distance —
11K
terrain
Type —
Running
timer
17 days remaining
sell
€10.00
Course des AS - 11 km
Sep 13, 2026
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Distance —
11K
terrain
Type —
Running
timer
17 days remaining
sell
€10.00
Course jeune - 2,2 km
Sep 13, 2026
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Distance —
2.2K
terrain
Type —
Running
timer
17 days remaining
sell
€0.00
Course populaire - 6 km
Sep 13, 2026
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Distance —
6K
terrain
Type —
Running
timer
17 days remaining
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€7.00
Grand Trail des Dunes de Flandres - 42 km
Sep 13, 2026
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Distance —
42K
terrain
Type —
Running
timer
17 days remaining
sell
€35.00
Parcours Eveil - 0,85 km
Sep 13, 2026
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Distance —
0.8K
terrain
Type —
Running
timer
17 days remaining
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€0.00
Parcours du petit bois - 1,1 km
Sep 13, 2026
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Distance —
1.1K
terrain
Type —
Running
timer
17 days remaining
sell
€0.00
Samedi 14h00 - 16h00
Sep 13, 2026
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Distance —
Samedi 14h00 - 16h00
terrain
Type —
Running
timer
17 days remaining
sell
€0.00
Trail des dunes de Flandres - 18 km
Sep 13, 2026
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Distance —
18K
terrain
Type —
Running
timer
17 days remaining
sell
€18.00
Weather History
These values represent the 3-year monthly averages for September in LEFFRINCKOUCKE.
thermostatTemperature
13.2° / 20.4°
wb_sunnyFeels like
11.0° / 18.2°
light_mode
Avg sunshine hours
9h 2m
water_drop
Avg rainfall
2.5 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.3 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
77.0%
wb_twilight
Sunrise
07:26
nightlight
Sunset
20:03
Hotels & Places to Stay
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