XX Bessone Basto Open Water Crossing
The XX Bessone Basto Open Water Crossing takes place on July 5, 2026, in Oeiras, along the coastline between Paço de Arcos and Porto de Recreio. This event is part of the XIX National Open Water Circuit 2025–2026, organized under the Portuguese Swimming Federation (FPN).
Held in sea conditions on the Lisbon coastline, the competition includes a 2500m official Circuit race for Open Water (AA) and Masters AA swimmers, as well as 1000m and 250m promotional events. The race contributes to the national ranking standings.








