A 42-year-old father of two described as a "big bloody softy" with a "cheeky grin" has died from what is being described as a "freak accident" at the Robinvale Euston 80 Ski Race.

Mathew Arnall, from the NSW Southern Tablelands, was competing in the Unlimited Inboard Social class of the event on Saturday morning on the Murray River.

He suffered serious injuries from a fall, and could not be revi...