LongSwims Database
a Marathon Swimmers Federation project
LongSwimsDB is the world's most comprehensive marathon swimming results repository.

Swimmer Profiles
82000+ marathon swims by 29500+ swimmers from 139 countries.
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Records & Lists
Records
- Longest Swims - World Solo Distance Records
- Longest Swims by duration - 24 hours and longer
- Course Records - Fastest swims of the world's major routes
- First Swims - Pioneers of the world's major routes
Challenges
- Triple Crown of Open Water Swimming
- Oceans Seven
- California Triple Crown
- Toughest Thirteen
- New Zealand Triple Crown
- Stillwater Eight
- Australian Grand Slam
- UK 3 Channel Challenge
Other
Insights
- Progression of Major Course Records
- Basic Descriptive Stats
- Triple Crown Stats - fastest, slowest, shortest, longest, youngest, oldest
- Women’s Participation
- Ten-Year Club
- Most Swims/Crossings by An Individual
About
LongSwimsDB is developed and maintained by Evan Morrison.
The database covers documented, unassisted open-water swims of 10 km or longer - both solo and races.
It aims to:
- compile a structured and accurate historical record of the world's marathon swims and swimmers
- develop insights about the sport through data analysis and visualisation
Read more...
New Results
- SCAR Swim Challenge, 2023
- Lake Argyle Swim, 2023
- Port to Pub, 2023
- Palm to Shelly, 2023
- Rottnest Channel Swim, 2023
- Derwent River Cliff to Bridge 15K, 2023
- Fremantle Ports Christmas 10K, 2022
- Vladswim Balmoral Challenge, 2022
- Sri Chinmoy National Capital Swim, 2022
- Reto Acapulco, 2022
- Triple Crown of Open Water Swimming - 2022 end-of-season update
- New York Open Water 2022 results: 20 Bridges, 8 Bridges, Ederle-Burke Swim
- Strait of Gibraltar, 2022
- BLDSA Windermere, 2022
The LongSwims Database is proudly sponsored by:
New York Open Water - event organizer and solo swim governing body for swims in the Hudson River, New York Bay, and the waters around Manhattan Island.

Northeast Kingdom Open Water Swimming Association - organizing events and solo swims in Lake Memphremagog and the Northeast Kingdom of Vermont.

Infinity Channel Swimming - piloting and organizing swims in the open waters of Ireland and the United Kingdom.

Neptune Swimming Foundation - organizing open water adventures for Arizona youth swimmers.

Keppel Islands Swimming Association - event and solo swim organizer for the Swim Around Keppel Island.

UltraSwim 33.3 - multi-day adventure swim challenge in Montenegro.

Last updated: 2023 May 31