A mass rescue was carried out after 110 athletes were trapped by bad weather and floodwaters near Arrowtown.
The athletes were taking part in the Southern Lakes Ultra Marathon, and 8 have since been hospitalised after the rescue.
Queenstown mayor Glyn Lewers is unsure as to what went wrong during the marathon, as a heavy rain warning was in place.
Glyn Lewers says emergency services were working as they should have during the rescue.
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