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IRONMAN Portugal – Cascais 2025: Everything You Need to Know — Whether You’re Racing or Watching

Paula Veloso
by Paula Veloso
6 months ago

This weekend, Cascais transforms into the capital of endurance.
Thousands of triathletes from more than 70 countries will swim, ride, and run through one of Europe’s most beautiful coastal landscapes — in a race that’s as emotional as it is demanding.

Whether you’re racing, supporting, or just coming to feel the atmosphere, here’s everything you need to know about the IRONMAN Portugal – Cascais weekend. 👇

📅 Official Schedule

🏊‍♀️ Saturday, October 18 — Race Day

  • 05:30 – 08:00 → Transition Area open (bike & gear check)
  • 07:00 – 07:20 → Swim warm-up in Cascais Bay
  • 07:15 → National Anthem
  • 08:40 → Rolling swim start (IRONMAN & IRONMAN 70.3)
  • 09:00 – 19:00 → IRONMAN Expo open (Sommer House Garden)
  • 16:50 (approx.) → First finishers expected
  • 19:15 – 02:00 → Bike check-out window
  • Until midnight → Athletes continue to cross the finish line — a highlight not to miss ✨

🏆 Sunday, October 19 — Celebration Day

  • 09:00 – 13:00 → Expo & Info Point open
  • 10:00 – 13:00 → Official Store & merchandise open
  • 12:00 – 14:00 → Awards Ceremony & Kona Slot Allocation (at Centro Cultural de Cascais)

🌊 Best Spots to Watch

  • Cascais Bay: The swim start — pure energy at sunrise.
  • Estoril Formula 1 Circuit: A rare triathlon highlight during the bike segment.
  • Guincho Road: Stunning ocean views and fast sections for great photos.
  • Cascais Marina: Final stretch and finish line — emotional, crowded, unforgettable.

💡 Race Weekend Tips

  • Arrive early: Traffic and parking fill up quickly — use public transport if possible.
  • Pack for all weather: mornings can be cool, afternoons sunny, evenings breezy.
  • Stay hydrated & fuelled: Whether you’re racing or supporting, it’s a long day.
  • Enjoy the Expo: open to everyone, free entry, great vibe.
  • Don’t leave before midnight: the final finishers are the soul of IRONMAN.

💫 Cascais: Where Endurance Meets Emotion

The IRONMAN Portugal – Cascais isn’t just a race — it’s a celebration of courage, community, and human spirit.
Every cheer, every clap, and every “You are an IRONMAN” echo across the Atlantic, reminding us why endurance sports bring people together.

👉 Discover more triathlon and endurance events across Portugal.

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