The final day of Tunarama began with people showing determination and grit in the Tunarama Commando Course on the Port Lincoln foreshore.
Organised by Williams Boxing Gym, the Commando Course invited people to compete in fours, pairs or as singles in a course along the beach.
The course included sprinting, push ups, sit ups and crawling along the beach, many of the exercises involving a tyre.
The fours was first, which was won by the team of Ollie Petrohilos, Paul Boud, Anna Hurrell and Tash Hammond who received a $125 prize..
In the doubles the team of Kylie Hurrell and Nalia Boud were first across the line, also winning $125.
The singles were split into juniors and seniors, the juniors saw Jamie Ford come from behind to cross the line in first while Ollie Petrohilos added to his fours win with a singles victory.
The two winners each received $50.