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Home - Ironman Cascais

Ironman Cascais

18/10/2025 to 18/10/2025

About the event "Ironman Cascais"

IRONMAN and IRONMAN 70.3 will take place on October 18th.

The IRONMAN triathlon event is back, and the municipality of Cascais is once again hosting one of the most demanding sporting competitions on the planet. On October 18th, the participants will compete in the 6th edition of IRONMAN Portugal-Cascais (3.8 km swimming, 180 km cycling, and 42.2 km running) and the 8th edition of IRONMAN 70.3 Portugal-Cascais (1.9 km swimming, 90 km cycling, and 21.1 km running).

The races start and finish at Cascais Bay, passing through the Sintra-Cascais Natural Park, cycling through the mountainous interior, passing through Malveira, Serra de Sintra, and Lagoa Azul, towards the iconic Estoril Circuit. They then head towards Lisbon, where they make the return, passing by the Belém Tower, Discoveries Monument, and 25th of April Bridge.

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