Presented by Anneka Rice
A series of eight programmes
7: This week Brian Hooper enters a white water canoeing competition; Francis Wilson finishes his three months of weight training, and Windsor Davies is still in his dinghy - just. 'Get one good run under your belt then go flat out on the second,' world champion Richard Fox tells Brian.
'Three months ago I sat on this machine and now I'm back to see just how much fitter I am,' says Francis as his fitness is tested again.
'Saved you from a watery grave, says Windsor to a dummy in a 'man overboard' drill.
Film editor PATRICK FLEMING Research VICKI MOORE
Produced by PETER RAMSDEN