An adventure in North Wales like no other, with run and run-swim options
26th June 2021
How far can you swim before the tide turns? Our new event!
9th July 2021
A 6km swim in a shallow, sandy-bottomed estuary, with the clearest of blue waters
10th July 2021
The first, and arguably the finest, 10k swim out there!
11th and 12th September 2021
The OSS has teamed up with FINDARACE to bring you their comprehensive event finder to our site. Enter search terms in the box below to get started, or scroll through the full calendar.