2022 UltraMarathon Swim Series

The World's Coldest, Hardest, Longest, Toughest, Most Extreme Swims
By, for and about ultramarathon and extreme swimmers

July: 36 km Maratona del Golfo Capri-Napoli in Italy – June 24 – July 1 – July 8 – September 4, 2022

July: 14.5 km Authentic Marathon Swim in Greece – July 2, 2022

July: Trans Tahoe in the USA –  July 16

July: 32 km Traversée internationale du lac St-Jean (32 km) in Canada – July 23-30

September: DC Marathon Swim in the USA – June 16, August 31, September 11, October 12, 2022

October: 20k and 30k La Isla Open Water in Mexico-  October 29-30

Please view the WOWSA Rules and Regulations and 2022 UltraMarathon Extreme Swim Series rules

Maratona del Golfo Capri-Napoli is one of the longest running professional marathon swimming competitions in the world which began in 1954 and starts on the island of Capri and finishes 36 km (22 miles) later on Marina Grande Beach in Napoli on the mainland of Italy. Learn more

Each summer since 1955, the Traversée Internationale du lac St-Jean attracts the world’s elite professional open water swimmers to Roberval. One of the world’s most prestigious professional races with a long and rich history.Water temperature and winds can vary, but water temperature under 20°C (68°F) is expected. Learn More

The Trans Tahoe Relay started in 1976 and has become an annual reunion of the global open water swimming community. Traditionally done as a relay, WOWSA has partnered with the Olympic Club to offer Trans Tahoe Solo (15.5k) as part of the Ultramarathon Swim Series.

La Isla Open Water is the only one 20k and 30k competition in Presa Zimapán, Cadereyta de Montes, Querétaro, Mexico held at the end of October. It is one of the Mexico’s Top 50 Open Water Swims. The races attracts about 30 swimmers in the 20k and 30k distances and 300 swimmers in the other distances.

The Authentic Marathon Swim represents the revival of the authentic marathon swimming route, 2.500 years after it was first accomplished. The event includes 14.5km route at the straits of Artemision – the location of the historical Naval Battle between Greek and Persian forces in Greece.

The DC Marathon Swim is a 20.5 mile epic adventure from Chain Bridge to Mount Vernon. Navigating your way through Washington DC in the Potomac River, tides, currents, changing winds will challenge your open water skills and endurance. The event takes place in the United States.

SCAR SWIM has gained an international reputation among the most hardened athletes in the sport, from International Marathon Swimming Hall of Famers to Triple Crowners. The rugged beauty and challenging consecutive distances, make this one of the World’s toughest distance swimming challenges