Swim GP Cascais 2026: International Open Water Swimming Festival in Portugal

The Swim Grand Prix Cascais 2026 will be held on July 18 and 19 on the Portuguese coast, bringing together swimmers from all over the world in an international open water event with distances ranging from 200 meters to a 20-kilometer crossing between Lisbon and Cascais.

The international open water swimming calendar will once again focus on Portugal this summer. Swim Grand Prix Cascais 2026The Swim GP, also known as the Swim GP, will hold a new edition on the days 18 & 19 of July in one of the most recognizable settings of the European Atlantic: the coast that connects Lisbon, Oeiras and Cascais.

For two days, the event will transform this area of ​​the Portuguese coast into a major open water swimming festival.

Amateur swimmers, triathletes and open water specialists from numerous countries will participate, attracted by a format that combines competition, personal challenge and a very recognizable natural environment.

An open water event with international reach

El Swim Grand Prix It has established itself in recent years as one of the most important open water swimming events in Europe. The competition takes place in iconic locations such as Belém (Lisbon), Praia da Torre in Oeiras, São Pedro do Estoril and Praia dos Pescadores in Cascais.

The conditions of the route are one of its great attractions. Cascais Bay usually offers clear and relatively protected waterswith typical temperatures between 18 and 20 ° Cwhich allows competition in a safe but demanding environment.

The Swim GP format is organized as a true open water swimming festival. Throughout the weekend, different races and distances are held for all levels, from beginner swimmers to ultra-distance specialists.

In recent editions the event has managed to bring together More than 800 participants from over 40 countries, which confirms its international dimension within the open water swimming calendar.

Distances for all levels

One of the strengths of the Swim GP Cascais is the variety of races available. The program includes long-distance swims, intermediate distances popular with triathletes, and popular courses.

The main tests planned for 2026 are:

All tests include electronic timing via chip, except in the children's categories, in addition to classifications by age and gender.

Security is another key aspect. The organization deploys support kayaks, boats and medical equipment, something especially important in long tests such as the 10 and 20 kilometer crossings.

An interesting test for triathletes

Although the Swim GP is purely an open water swimming event, it is increasingly attracting more participants. middle and long distance triathletes.

The distances in the program fit quite well with the swimming segments of the triathlon:

• 1,9 km, equivalent to the swimming distance of a HOMBRE DE HIERRO 70.3
• 3,8 km, similar to the swimming segment of an IRONMAN
• 5 km, widely used in long-distance training

For that reason, many athletes take advantage of the event as specific open water test before competing in middle or long distance triathlons during the summer.

The open sea route requires management currents, orientation and rhythmaspects that often make a difference in long-distance triathlons.

A renowned event on the international circuit

The growth of the Swim GP is also reflected in its recognition within the open water community.

The test was nominated for the “World Event of the Year” award from the World Open Water Swimming Association (WOWSA), where it ranked among the top ten events in the world in this discipline.

This recognition, along with the steady increase in international participants, has made the Swim GP Portugal's biggest open water swimming event.

The event's impact is also felt outside the water. In recent editions, it has generated an economic impact of close to one million euros, boosting sports tourism in the Cascais region.

Cascais, a regular venue for endurance sports

The Cascais and Estoril area has become a regular destination for endurance events in recent years.

Combining climate, sports infrastructure and proximity to Lisbon It has favored the arrival of international triathlon, cycling and swimming competitions.

With the Swim Grand Prix Cascais 2026The region will once again host hundreds of athletes ready to face the Atlantic in one of the best-known open water events in southern Europe.

All information on the official website https://swimgp.com/