- Swim4Cancer 2019, Rory Huggins, Rose Vinter, Tilly Hansen-Hamilton, Adam Toy, Elena Eardley, Daniel Donovan, Amie Buttle, Ewan Taylor, Abi Poulton, Reuben Alexander, Emily Blissett, Sam Crabtree, Latifah Von Numers, Phyllida Britton, Chloe Plater, Rohan Penney, Sophia Wilson, Alex Armstrong, Ellenor Rixon, Maya Semyonova, David Hammond, Megan Barnes, Dylan Conway, Morgan Penney, James Baxter, Paige Coombs, Ben Rowett, Clive Marquis, Harry Degen, Luca Fankhauser, Melih Jake Yucelsin, Daisy Degen, Ella Porter, Emily Wood, Katie Latham, Kaylee Dekker, Henry Halloran-Day, Kirstie Flynn, Lauren Kent, Lottie Roberts, Naomi Van Dongen, Fergus Phelan, Fergus Thomson, Jack Morgans, Sadie Flynn, Amy Hodgson, Ciara Walsh, Charlotte Prince-Rayner, Daniella Hoyland, Zebina George, Iona Morley, Zara Mullooly, Riaan Steyn, Cam White, Noa Doest, Ollie Bedworth, Ross Philp, Sam Irvine, Toby Stewart, Will Condron, Abby Jackson, Charlotte Wensley, Kennedy Gordon, Pearle Griffiths, Max Jameson, Grace Kinnell, Charley Langford, Charlie Trotman, Mike Hodgson, Ffion Thomas, Robert Doran, Sergiu Chete, Simon Dyson, Charlie Stevenson, Ellen Scholes, Jenny Chaplin, Michelle Ware, Millie Emmans, Naomi McGuire, Ben Tritton, Izzy Bryant, Freya Taylor, Charles Pauling, Lucy Peers, Imogen Miller, Austin-Slade Jeffery, Ayhan Recebli, Joe Clark, Yahia Makky, James Faull, Charlotte Moores, Aidan Gill, Tatiana Belonogoff, Ben Prosser, Kenji Mcdade, Daniel Jenkins, Henry Goodlud, Chris Finch, Piers Bowden, Alex Hicks
- 7:54:44.33 hour(s):minute(s):second(s)
- United Kingdom (Guildford)
The fastest swim relay 100 x 400 metres by a team (mixed) is 7 hr 54 min 44.33 sec, and was achieved by Swim4Cancer 2019 in Guildford, UK, on 30 June 2019.
One hundred competitive swimmers (50 male and 50 female) of varying ages from swimming clubs across the South East of England came together for the attempt to raise money for Cancer Research UK.