Race Distances
Swim 0.75km · Bike 20km · Run 5km
Swim 1.5km · Bike 40km · Run 10km
Swim 1.9km · Bike 90km · Run 21.1km
Challenge Vieux Boucau in Vieux‑Boucau, France on 10 October 2026 features a Middle‑Distance Triathlon (1.9 km swim, 90 km bike, 21 km run), with a calm saltwater lake swim, flat bike through the Landes region, and a run around the lake finishing in town. Olympic (1.5 km / 40 km / 10 km) and Sprint (750 m / 20 km / 5 km) triathlons are also held. Kids/Junior duathlons and a middle-distance relay are available. The course offers a mix of coastal and forest scenery, combining a performance challenge with seaside atmosphere.