LongSwims Database

a Marathon Swimmers Federation project

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

Swim Events

379 established marathon swim events and numerous independent solo routes.

Map List

Search Events

Swimmer Profiles

61000+ marathon swims by 23100+ swimmers from 134 countries.

View All Profiles

Search Profiles

Records & Lists



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
knoxville ows

Last updated: Aug 06, 2020