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Triathlon · T100

Vieux-Boucau Triathlon (T100 Challenger) 2027

From October 9 to 10, 2027

🇫🇷 Vieux-Boucau-les-Bains · France

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The events

100 km T100 (2 km / 80 km / 18 km) — T100 Challenger

Elite athletes start: a pro podium will be published.

Tools for this race

Your triathlon finish time, Sprint to IronmanWhat to drink and eat during exerciseThe right pressure for your tiresYour 7 heart rate zones

Frequently asked questions

When is Vieux-Boucau Triathlon (T100 Challenger) 2027?

Vieux-Boucau Triathlon (T100 Challenger) 2027 takes place from October 9 to 10, 2027, in Vieux-Boucau-les-Bains (France). Date read on October 15, 2026 from its official source.

Does Cadevia organise this race?

No. Cadevia is a training app: we read the dates from the official sources to help you choose and prepare your race. Entries are handled by the organiser.

Where

🇫🇷 Vieux-Boucau-les-Bains · France

Same weekend

Sun3OctVuelta España Femenina by Carrefour.es🇪🇸 Madrid · Spain★ IconicPros only — to followWomen's Grand Tour, 8 days (stages…Sat9OctIRONMAN World Championship🇺🇸 Kailua-Kona (Hawaï) · United States★ IconicFull distance 226 kmSat9OctIl Lombardia🇮🇹 Lombardy (to be confirmed) · Italy★ IconicPros only — to followMonumentSun10OctBank of America Chicago Marathon🇺🇸 Chicago · United States★ IconicMarathon 42.195 km

Triathlon: around the same time

Sat7AugIRONMAN Tallinn🇪🇪 Tallinn · EstoniaFull distance 226 kmSat7AugNorseman Xtreme Triathlon🇳🇴 Eidfjord → Gaustatoppen · NorwayExtreme triathlon 3.8/180/42 km (2…Sun8AugIRONMAN 70.3 Leipzig🇩🇪 Leipzig · Germany70.3113 kmSun8AugIRONMAN 70.3 Rio de Janeiro🇧🇷 Rio de Janeiro · Brazil70.3113 km

Where this comes from

Date and place read on October 15, 2026 from its official source.

Cadevia does not organise this race. Spotted a mistake? Tell us.

Places: GeoNames (CC BY 4.0) and © OpenStreetMap contributors (ODbL). Base map: Natural Earth (public domain). Logos belong to their organisers and are shown so each race is easy to recognise — Cadevia has no link with them, and any logo is removed on request. Flags: flag-icons (MIT licence).