Biggest field lines up
Mr Black said boaties should also be aware that there will be more swimmers than usual in the lake and keep a sharp lookout at all times, particularly in choppy conditions that could make it difficult to spot a lone swimmer.
Local support: With 2000 athletes descending on Wanaka for the Challenge Wanaka event this Saturday, Harbourmaster Marty Black has some safety advice for swimmers training in the lake this week. Swim on the south side of Roy Bay. If you need to swim in the middle of the lake, have a safety kayak with you or swim in a group.
Be visible – wear a brightly coloured swimming cap or use a fluoro visibility device.