BOOM+ Kapas Marang International Swimathon – One of the most original courses in the world from an island back to the mainland of Malaysia over 6.5 KM.  The pristine clear blue water is warm and tropical with gorgeous coral reefs below the surface. A lifetime achievement to swim the strait between two beautiful land masses. Learn More

SwimÖresund -A new Channel Crossing from Denmark to Sweden. The new swim and governing association takes you across the beautiful strait ‘Öresund’, which connects Denmark and Sweden. The swim starts at Bellevue Beach (DK) and finishes at Lundåkrabukten (SV). The distance is 21 km (13.3 nautical miles). Learn More.

BISA, Big Island Swimming Association – Each challenge will have its particularity and its level of difficulty not only for beginners in ultramarathon but also for athletes with extensive experience in oceanic challenges.Swimmers can choose between 16 km, 37 km, and 48 km courses or even the complete tour around the island, with 85 km. Learn More.

Race For The Conch Eco-SeaSwim is an open water race featuring 1/2 mile, 1-mile, and 2.4-mile sea swims in Grace Bay, Turks & Caicos Islands. The calm and clear turquoise ocean waters offer a perfect environment for both novice and experienced swimmers.

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. Learn More.

Aqua Champ Swimathon at the lake shore of Aamby Valley in India. Aqua Champ Aamby Valley is hosted by Champ Endurance one of India’s biggest fitness promoting community for running, swimming, cycling.

SwimBig Challenge is a personal open water swimming challenge, created by Team Kohlmann. The idea is that you set a goal of deep sea swimming in open water of 10, 20 or 30 km. You choose the venue and the date (within the valid dates window), carry out your swim and report your result. Learn More

“The Clock is Ticking” 7 Mile Swim – The event’s focus continues to be one of honoring God, remembering the life and legacy of James Eunice, and honoring the story of Captain Mark Weber, the winner of our 2014 3.5 Mile Event who was killed in action in Iraq on March 15, 2018. Learn More.

International Swimming Marathon Port-Burgas – This is a special open water event held at the marine station in Port-Burgas, Bulgaria, where swimmers are shielded from the powerful currents and waves of the open sea by the harbor breakwater. The event is organized by Bulgarian swimmer Tsanko Tsankov, who holds world and European records, in partnership with the Municipality of Burgas, Port of Burgas, and the Naval Forces of the Republic of Bulgaria. Learn More.

The Derwent River Big Swim is a long-distance swimming event that takes place in Hobart, Tasmania. The event is organized by the Australian Long Distance Swimming Federation and involves a 34 km swim from the New Norfolk Bridge to the Tasman Bridge in Hobart.

ʻAu I Nā Mokupuni ʻEkolu Maui Nui Swim is a group event- invited swimmers swim tandem-solos across each channel with a single time recorded for each crossing. The event committee aims to select swimmers of comparable ability and speed. There is one escort boat and swimmers must stay together. This 3-day 3-channel swim is for experienced swimmers only.