Course Records

Major world solo marathon swimming course records, automatically generated from LongSwimsDB data.

Please note: This is a curated list of the world's most significant swim routes. Not every possible course record is listed. If multiple distinct routes have been swum in a body of water, only the most canonical routes are listed.

Navigation: British Isles, North America, Latin America, Australia & New Zealand, Pacific Islands, Continental Europe, Africa, Asia

British Isles

English Channel

North Channel

Bristol Channel

Channel Islands

Round Jersey
Jersey to France

Cork to Cobh

Dál Riata Channel

Fastnet Rock

Loch Lomond

Loch Ness

BLDSA Torbay

Around Isle of Wight

Lake Windermere

North America

US / west

Catalina Channel & Catalina Island circumnavigation

Santa Barbara Channel and California Channel Islands

Anacapa Island
Santa Cruz, Santa Rosa, San Miguel Islands

Lake Tahoe

Bay to Breakers (SERC)

Around Coronado Island

Gulf of the Farallones

Around Mercer Island

Monterey Bay

Round-Trip Angel Island

Strait of Juan de Fuca

US / central & mountain

END-WET Red River Swim

Lake Michigan

Lake Erie

SCAR Swim Challenge

US / east

Around Manhattan Island

Includes Manhattan Island Marathon Swim, 20 Bridges, and Manhattan solo swims.

8 Bridges Hudson River Swim

Around Absecon Island

Boston Light

Cape Cod Bay

New York Bay

Includes Ederle Swim, Ederle-Burke Swim, and solo New York Bay swims between Sandy Hook NJ and Manhattan.

Swim Across the Sound

Lake Memphremagog

Includes In Search of Memphre and the Traversee du lac Memphremagog.

Swim the Suck

Tampa Bay Marathon Swim

Lake George


Around Bowen Island

Georgia Strait

Lake Ontario

Northumberland Strait

Traversée Internationale du lac St-Jean

Latin America

Cruce Rio de la Plata

Leme to Pontal

Reto Acapulco

Travessia 14 Bis

Australia and New Zealand

Cook Strait

Derwent River Big Swim

Foveaux Strait

Lake Taupo

Magnetic Island to Townsville

Rottnest Channel

South Head Roughwater

Pacific Islands

Apolima Strait

Around Rarotonga

Kaiwi Channel

Continental Europe



Bonifacio Strait

IJsselmeer Zwemmarathon

Lake Balaton

Lake Geneva

Lake Zurich

Maratona del Golfo Capri-Napoli

Menorca Channel

Messenian Gulf Swim

Strait of Gibraltar

Toroneos Gulf Marathon


Around Cape Point

Dassen Island

False Bay

Lake Malawi

Robben Island


Clean Half & Cold Half

Tsugaru Strait

Around Hong Kong

Lake Issyk Kul

Palk Strait