Van Wyk, who also won the elimination, broke Gary Beneke’s record of 54:23 which was set in 1985.
Second place was awarded to Graeme Ockhuis, while Jonas Rickaert claimed third.
Fourth and fifth went to Nolan Hoffman and Matthew Fortuin respectively.
View more provisional results below.
1. Josh van Wyk
2. Graeme Ockhuis
3. Jonas Rickaert
4. Nolan Hoffman
5. Matthew Fortuin