Registration for the following major Leinster Open Sea races is online only:
- Dublin City Liffey Swim
- Dún Laoghaire Harbour Race
- Island Race (Ireland’s Eye to Howth)
- Lough Dan 2.5k, 5k & 10k Races
- Wicklow 3k
Information about how to register, registration fees and deadlines is posted here when it becomes available.
For all other races, a one-time registration at HowDidYouSwim.com is required. Once you have a race (swimmers) number, just show up at a race one hour before the start and register on-site.
- You must be a registered member of a Swim Ireland swimming club in order to compete in Leinster Open Sea races (not a special member).
- Wetsuits are not allowed in Leinster Open Sea races, except in case of medical reason and with approval by the race committee.