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

Swimmer Profiles
85000+ marathon swims by 30400+ swimmers from 140 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
- Triple Crown of Lake Monster Swims
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
Event Reviews
Submit reviews of race organizers, pilots, and associations. See list of available solo swims and races HERE.
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
- Lake Tahoe, 2023 LTMSF results
- Triple Crown of Open Water Swimming, 2023 update
- English Channel, 2023
- Catalina Channel, 2023
- 20 Bridges Manhattan Swim, 2023
- Kingdom Swim, 2023
- Willoughby Swim, 2023
- Bridges to Bluffs, 2023
- Bermuda Round-the-Sound, 2023
- Swim around Charleston, 2023
- Swim the Suck, 2023
- Lock to Lock, 2023
- Thames Marathon, 2023
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 Nov 16