From the trailer, a Dinghy Derby racer might look like any other fishing dinghy. But upon closer inspection, it’s plain to see that a Dinghy Derby machine is far from your ordinary boat. .

For the modified classes, we buy a perfectly good Stacer, cut all of the seats out of it, pull the bottom apart, re-shape the flooring, strengthen it and then re-weld it all back in and go from there. The lighter the better.

The 37th annual Red Bull Dinghy Derby delivered a weekend of raw, high-octane thrills along the mighty Murray River.

What is it that makes these guys risk it all on the water?