609 in 2015 and later

648 past in 2015 (updated 17-07-'15)

The Big Legenderry Swim 2015, Londonderry, Ireland

Date: 
Sunday, 23 August, 2015 (All day)

750m 1500m 2.4 miles
Wetsuits Compulsory

http://www.northernvelocity.co.uk/#!legenderry-swim/c1c55