Swimming races in Portugal: open water events to add to your calendar

Open water swimming continues to grow in Portugal, with more athletes looking for challenges beyond the pool. Whether you’re aiming to compete, build endurance, or simply experience something new, Portugal offers a diverse calendar of swimming events for all levels.

From accessible short-distance races to long endurance swims, here are three swimming events worth adding to your season.

🌊 I Grande Prémio de Águas Abertas ZEUS

The ZEUS Open Water Swimming Grand Prix is a new addition to the Portuguese swimming calendar and promises to attract athletes of all levels.

With well-structured courses and a safe competitive environment, this event is a great choice for:

• swimmers trying open water racing for the first time
• triathletes preparing for the season
• athletes looking to build endurance outside the pool

It offers the perfect balance between competition and accessibility.

🚣 Grande Descida de Castelo de Bode

The Castelo de Bode Long Swim is one of the most unique open water swimming challenges in Portugal.

Rather than a traditional race, this is a long-distance open water descent that tests both physical and mental endurance. Set in a beautiful reservoir with generally calm waters, the distance makes it a true endurance experience.

Ideal for:

• experienced open water swimmers
• middle and long-distance triathletes
• athletes looking for a serious endurance challenge

This event is about pushing limits and enjoying a unique swimming experience in nature.

🏅 Swim Grand Prix 2026

The Swim Grand Prix is already a well-established reference in the Portuguese open water calendar.

With multiple distances and categories, it welcomes swimmers of different levels and ages. Strong organization, safety and a competitive atmosphere make it one of the most complete events of the season.

Perfect for:

• swimmers aiming to improve performance
• triathletes preparing for upcoming races
• anyone looking for a well-organized open water competition

🧭 How to choose your next swimming race

If you’re thinking about joining an open water swimming event, consider:

• Distance and difficulty level
• Type of water (lake/reservoir, sea, river)
• Season goals (first race, performance, endurance)
• Logistics and location

Taking part in swimming races is a great way to improve your technique, build confidence and stay motivated throughout the season.

🔎 Find swimming races in Portugal

On RaceFinder, you can discover swimming races, open water events and triathlons across Portugal, all in one place.

Explore the calendar and start planning your next open water challenge.