Longest distance swimming in relay (open water)
Padraig Mallon
684.75 kilometre(s)
United Kingdom (Camlough)
The longest distance swimming in relay in open water by an unlimited team is 684.75 km (425.48 miles) and was achieved by a group of 200 swimmers at Lake Camlough, Camlough, Northern Ireland, United Kingdom, between 9 to 19 September 2009. In total over 200 swimmers took part in swimming around a 750 m circuit. Gavin Brown swam the Farthest distance in one leg, completing five laps (3,750 m) in 1 hr 04 min 34 sec. The event was organised by Padraig Mallon.