609 in 2015 and later

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

Great East Swim 2015, Alton Water reservoir near Ipswich, Great Britain

Date: 
Saturday, 20 June, 2015 (All day)

http://www.greatswim.org/Events/Great-East-Swim

Venue: Alton Water, Suffolk

Distances: ½ mile, 1 mile, 2 miles, 5k

Requirements: Wetsuits, swimmers of all abilities are welcome