609 in 2015 and later

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

Henley Mile 2015, Henley-on-Thames, Great Britain

Date: 
Monday, 13 July, 2015 (All day)

http://henleyswim.com/events/henley-mile/

Distances: 1 mile 200m 800m downstream

River (River Thames) event at:
  Temple Island Meadows
  Henley-on-Thames
  Oxon
  RG9 3DB

NOTES
plus junior races
Wetsuits Optional