Wiffen put in a time of 7.44.86 in Heat 4 this morning.
It's been a successful day so far for the Irish team at the European Aquatics Championships
Olympic gold medalist Daniel Wiffen finished third in his heat - and has qualified for tomorrow night's 800m freestyle final.
Wiffen put in a time of 7.44.86 in Heat 4 this morning.
McSharry finished second-fastest overall in the women's 100-metres breaststroke heats.
She progresses to tonight's semi-finals, as does 21-year-old Ellie McCartney.
John Shortt came fourth in his heat in the men's 200-metres backstroke, advancing to tonight's semi-finals.
This evening, Jack Kelly could win Ireland's first medal of the Championships.
He goes in the 100-metres breaststroke final just before 5:50 Irish Time.

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