Challenge Vieux Boucau 2026
The courses
Discover all the Challenge Vieux Boucau courses. Choose your race format, then select swim, bike or run to display the corresponding course.
01 · Middle Distance
Middle
1.9 KM SWIM · 90 KM BIKE · 21.1 KM RUN
Middle · Swim
1.9 KM
Marine lake · Salt water
The race begins in the Vieux-Boucau marine lake. A 1.9 km swim before heading into the first transition.
Distance 1.9 KM
Environment Marine lake
Water Salt water
Temperature Approx. 20°C
Middle · Swim course
1.9 KM
Middle · Bike
90 KM
Landes · Flat course
90 kilometres on the roads of the Landes. A fast, flat course where pacing will be essential before the half marathon.
Distance 90 KM
Profile Flat
Drafting Prohibited · 20 M
Terrain Landes roads
Middle · Bike course
90 KM
Middle · Run
21.1 KM
Half marathon · Flat course
A flat half marathon around the marine lake to complete the Middle Distance and reach the finish line.
Distance 21.1 KM
Profile Flat
Format Half marathon
Environment Around the lake
Middle · Run course
21.1 KM
Swim
1.9 KM
Bike
90 KM · Flat
Run
21.1 KM · Flat
02 · Olympic Distance
Olympic
1.5 KM SWIM · 40 KM BIKE · 10 KM RUN
Olympic · Swim
1.5 KM
Marine lake · Salt water
A 1.5 km swim in the Vieux-Boucau marine lake before heading into the first transition.
Distance 1.5 KM
Environment Marine lake
Water Salt water
Temperature Approx. 20°C
Olympic · Swim course
1.5 KM
Olympic · Bike
40 KM
Landes · Flat course
A 40 km bike course on the roads of the Landes. A flat route designed to maintain a steady pace before the run.
Distance 40 KM
Profile Flat
Terrain Landes roads
Race format Olympic
Olympic · Bike course
40 KM
Olympic · Run
10 KM
Flat course · Around the lake
A 10 km run on a flat course around the Vieux-Boucau marine lake.
Distance 10 KM
Profile Flat
Environment Around the lake
Format 10 KM
Olympic · Run course
10 KM
Swim
1.5 KM
Bike
40 KM · Flat
Run
10 KM · Flat
03 · Sprint Distance
Sprint
750 M SWIM · 20 KM BIKE · 5 KM RUN
Sprint · Swim
750 M
Marine lake · Salt water
A 750 metre swim in the Vieux-Boucau marine lake to begin the Sprint Distance.
Distance 750 M
Environment Marine lake
Water Salt water
Temperature Approx. 20°C
Sprint · Swim course
750 M
Sprint · Bike
20 KM
Flat course
20 kilometres of cycling on a fast, flat course before returning to the second transition.
Distance 20 KM
Profile Flat
Terrain Landes roads
Format Sprint
Sprint · Bike course
20 KM
Sprint · Run
5 KM
Flat course · Around the lake
A 5 km run on a flat course to reach the Sprint finish line.
Distance 5 KM
Profile Flat
Environment Around the lake
Format 5 KM
Sprint · Run course
5 KM
Swim
750 M
Bike
20 KM · Flat
Run
5 KM · Flat
Course information: the courses shown may be adjusted by the organisation depending on technical requirements, safety conditions or requests from the relevant authorities.