Portugal’s Triathlon Calendar: What’s Next After IRONMAN Cascais 2025
After an unforgettable weekend in Cascais, where thousands of athletes crossed the finish line at the IRONMAN Portugal 2025, many triathletes are already asking the same question: what’s next?
Because endurance doesn’t stop at the finish line — and in Portugal, the triathlon season keeps going strong well into November.
From the Algarve’s sunshine to Sesimbra’s crystal-clear waters, the coming weeks still offer incredible opportunities to race, challenge yourself, and celebrate the triathlon spirit in Portugal.
Here’s your guide to the most exciting upcoming triathlon events in Portugal 👇
🏊♀️ TRITON Portimão – World Finals
📅 24–26 October 2025 — Portimão, Algarve
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Three days. Three disciplines. One goal.
The TRITON World Finals bring a unique stage-race format — swimming, cycling, and running on separate days — blending competition, camaraderie, and a true endurance-festival vibe on Portugal’s southern coast.
Perfect for: athletes seeking a new challenge with flexible distances (Long, Middle, or Sprint) and a community-driven atmosphere under the Algarve sun.
🚴 IV Triatlo de Sesimbra
📅 26 October 2025 — Lagoa de Albufeira, Sesimbra
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A staple in the Portuguese triathlon calendar, the Sesimbra Triathlon features a 750 m swim, 19.8 km bike, and 5 km run — fast, scenic, and highly competitive.
Part of the Portuguese Triathlon Cup, it combines the charm of the coast with a course that rewards both speed and strategy.
Perfect for: those who want to close their season with a sprint triathlon in one of Portugal’s most beautiful coastal venues.
💦 Triathlon & Aquathlon da Amora
📅 1 November 2025 — Seixal
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Held in the south of Lisbon, this local triathlon and aquathlon event welcomes athletes of all ages and levels.
Accessible, inclusive, and well-organised, it’s a great way to stay active between major races — or to introduce newcomers to the sport.
Perfect for: amateur athletes looking for a friendly environment and a community feel close to the capital.
🏖️ VIII Triathlon The Campus – Quinta do Lago
📅 9 November 2025 — Algarve
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The Campus Triathlon is one of the most anticipated autumn triathlon races in Portugal, combining sport, leisure, and community.
Offering Sprint and Super-Sprint formats, it takes place within the luxury setting of Quinta do Lago and the Ria Formosa Natural Park.
Perfect for: beginners or experienced triathletes looking for a friendly, well-organised race under Portugal’s late-season sun.
🌙 Starman Night Triathlon – Alentejo
📅 9 November 2025 — Alentejo
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A one-of-a-kind experience — a night triathlon in the Alentejo region.
Combining sport, nature, and adventure, the Starman offers a magical atmosphere under the stars, with routes designed to challenge and inspire.
Perfect for: endurance athletes who enjoy racing off the beaten path and want to experience triathlon in a completely different light.
✨ Keep the Momentum Going
If IRONMAN Portugal – Cascais was your big goal this season, these upcoming races are your chance to recover actively, maintain form, or keep competing through the final months of the year.
And if you’ve just been inspired watching from the sidelines — there’s no better time to plan your first race and dive into the world of triathlon.
Because in Portugal, the triathlon season never truly ends — it just shifts into a new gear. 🚴♀️
👉 Discover more triathlon and endurance events in Portugal.
