IRONMAN Portugal-Cascais 2025, take advantage of Flex90 Early Entry
These are the Benefits for participants

El IRONMAN Portugal-Cascais returns to the scene this 18th October 2025, consolidating itself as one of the most outstanding events in the calendar European middle and long distance triathlon.
This competition not only challenges triathletes from all over the world, but also attracts thousands of spectators to the charming coastal town of Cascais.
Benefits for participants: Flex90 Early Entry
The program Flex90 Early Entry offers great advantages for those who sign up before January 24, 2025:
- Free deferral program: Registrants can defer their registration to IRONMAN Portugal-Cascais 2026 at no additional cost. This applies up to 45 days before the race.
- Transfer without fees: Possibility of transferring registration to another IRONMAN or IRONMAN 70.3 event within the same region and year, subject to availability.
- Partial refund: If you decide to withdraw, you can get a 50% refund up to 4 months before the event, or 25% between 4 months and 45 days before the race.
A unique tour along the Atlantic coast
The IRONMAN Portugal-Cascais stands out for its impressive course that combines natural beauty and technical challenges:
Swimming
The race begins with 3,8 km on Ribeira Beach, known for its calm waters and spectacular surroundings.
Cycling
A 180km segment runs through the Portuguese Riviera, passing by Guincho Beach and the Sintra-Cascais Natural Park. Participants will also cycle around the historic Formula 1 Circuit of Estoril.
Race on foot
The 42,2km marathon is divided into three laps from the centre of Cascais to Cabo Raso, with views that motivate you to keep going.
IRONMAN 70.3 Portugal-Cascais: The accessible option
For those looking for a more affordable challenge, IRONMAN 70.3 offers:
- 1,9 km of swimming
- 90 km of cycling
- 21,1 km of foot race
It is an excellent alternative to enjoy the unique atmosphere of Cascais without facing the full distance.
Cascais: Much more than a triathlon
Known as the “pearl of the Atlantic coast”, this city offers activities for all tastes:
- Golden beaches: Ideal for relaxing.
- Hiking in the Sintra-Cascais Natural Park: Perfect for nature lovers.
- Cultural heritage: Places like the Citadel of Cascais and the Condes de Castro Guimarães Museum.
- Local gastronomy: A blend of traditional Portuguese flavours and seafood.
Registration open: Secure your place!
The IRONMAN Portugal-Cascais organization recommends registering before January 22, 2025 to take advantage of the best benefits.
Visit official page of the event .