LEINSTER OPEN SEA COMPANY LIMITED BY GUARANTEE

Leinster Open Sea Company Limited by Guarantee is the volunteer‑run organisation that coordinates the annual open‑water swimming season across Leinster. Each year the club publishes a calendar of races – from the popular LOS Docklands Challenge to the charity‑focused Limerick Island event – and provides a central hub for swimmers to register, view results and track their handicaps. By managing everything from race verification to technical support, the company ensures a smooth, inclusive experience for both seasoned competitors and newcomers to the sport.

The club’s core services include online race registration, real‑time result publishing, and dedicated assistance for any technical, payment or data‑related queries. It also offers a clear pathway for new swimmers to set up an account and for existing members to reset passwords or update their details. Based in Dublin, Leinster Open Sea serves the wider Irish open‑sea swimming community, fostering participation, competition and camaraderie throughout the season.