Ages and abilities ranged from those taking part for the first time to Swansea swimmer Tom Allen, who won today’s elite menâ€™s race to cheers from the packed crowd.
After storming to victory in a time of 17 minutes and 11 seconds, he told the Gazette: â€œIâ€™m pleased with my time.
â€œOver all Iâ€™m pleased with the swim. Iâ€™ve been out of form for a while so itâ€™s nice. […]
American Christine Jennings, currently ranked fifth in the world, won the elite womenâ€™s race this morning, saying the water was â€œvery choppy and coldâ€.
Organisers said the water temperature was 15.4 Celcius when the first swimmers set off.