609 in 2015 and later

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

Great London Swim, Royal Victoria Dock, Newham London, Great Britain

Date: 
Saturday, 18 July, 2015 (All day)

http://www.greatrun.org/great-swim/great-london-swim

[Great London Swim, Newham]
1/2 Mile & 1 Mile