[3] Long turned professional after the Eisenhower Trophy and joined the PGA Tour of Australasia.

His best finish was to be tied for fourth place in his last event, the Nike Permian Basin Open, despite a first round 74.

In January 1997 he was a runner-up in the Johnnie Walker Classic, an event co-sponsored by the European Tour, winning A$121,000.

[4] He was also third in the Greg Norman Holden International, the Schweppes Coolum Classic and the Ford South Australian Open, and had three other top-10 finishes.

Long played with Grant Waite in the 1997 World Cup of Golf, the pair finishing in a tie for 9th place.

[5] In February 1999 Long won the Greg Norman Holden International at The Lakes Golf Club.

[6] In late 1999 Long's career was interrupted after suffering a broken C5 bone in his neck in a boogie boarding accident.

[8][9] In early 2016, at the age of 47, Long won the Oates Victorian Open after a playoff against Matthew Millar.

[10] In May 2018, Long won the TX Civil & Logistics WA PGA Championship at Kalgoorlie Golf Course, one stroke ahead of Brody Martin after a final round 64.