LongSwims Database

a Marathon Swimmers Federation project

LongSwimsDB is the world's most comprehensive marathon swimming results repository.

Swim Events

333 established marathon swim events and numerous independent solo routes.

Map List

Search Events

Swimmer Profiles

54000+ marathon swims by 21500+ swimmers from 133 countries.

View All Profiles

Search Profiles

Records & Lists

Bucket List Challenges


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


NYOW logo
swim the suck

Last updated: Dec 14, 2019