Marathon swimming familiarisation session goes ahead on Wednesday

Ireland's Daniel Wiffen is set to go in the go in the swim on Friday morning 

Ireland's Daniel Wiffen after winning bronze in the men's 1500m freestyle final. Photo by David Fitzgerald/Sportsfile

The familiarisation session for the Paris Olympics marathon swimming event in the Seine river will go ahead as scheduled on Wednesday after water quality tests met thresholds, organisers said.

A similar session planned for Tuesday had been cancelled due to concerns over water pollution.