The former Olympic champion spent two months training with the Mariners in the hope of landing a professional deal to play football.

He scored two goals in October in a pre-season trial game, but left the A-League club soon after.

"It was fun while it lasted," Bolt said. "I don't want to say it wasn't dealt with properly, but I think we went about it not the way we should.

"You live and you learn. It was a good experience - I really enjoyed just being in a team."

Bolt said his future now lies in the business world.

"I'm now moving into different businesses, I have a lot of things in the pipeline," the 32-year-old said.

"So as I say, I'm just dabbling in everything and trying to be a business man now."

The move comes after his former Central Coast Mariners team-mate Ross McCormack admitted: "He's not a footballer...still not a footballer. But he tried..."