Desafío Islas Cíes

Race facts

• It takes place on a Saturday, August 29, 2026 — summer in this part of the world.
• The closest comparable swimming event is Triple Corona Illas Atlánticas in Islas Cíes (Pontevedra), 16 km away, on September 12, 2026.
• 7 of the 12 most similar events take place in the same month.