UltraEbre Swim Marathon
UltraEbre Swim Marathon
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Dive into one of Europe’s most iconic river challenges — the UltraEbre Swim Marathon!
On 4 July 2026, swimmers from around the world will gather in the heart of Catalonia to take on a breathtaking 30.8 km journey down the River Ebro, from Tivenys to Amposta. More than just a race, UltraEbre is a full open-water adventure that blends endurance, natural beauty, and the thrill of personal achievement.