More than 400 teams and 2,500 swimmers are taking part in the event - which will last until Sunday 15 March.

Islanders dive into Jersey's annual Swimarathon

credit susie potter/Aldeburgh Town Council

Dozens of hardy souls braved the icy waves to take part in the 30th Aldeburgh Boxing Day Swim.

Santa hat-wearing swimmers brave chilly waves for charity on Boxing Day

Vegan super-swimmer Oly Rush from Dorset is the first person to achieve the feat of a 60-mile circumnavigation of Grand Cayman.

Gill Castle, from Alnwick, who has been training for months, completed the feat on Tuesday 12 September after swimming through the night.

Christmas isn't just a time for mince pies and presents - Islanders across the Bailiwicks have been out and about enjoying the milder weaather.

Swimmers were encouraged to stay away this year as Omicron cases rise.

Jersey Swimming Club will meet at 11am at Havre Des Pas for their annual dip.

A Lake District hotelier who was told he would never walk properly or play sports  has taken part in a 900 mile relay swim. 