The impressive Eyre won gold in the 800m freestyle, 400m freestyle, 400m individual medley and the 200m backstroke.
He also claimed silver in the 200m individual medley and the 200m freestyle.
South Lake’s junior members also put in a strong showing at the Junior Long Course Championships.
Ethan Dawson won gold in the 50m freestyle and silver in 50m butterfly and 100m freestyle.
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He scored bronze in the 50m backstroke.
Larni Roberts won bronze in the 50m freestyle.