The Caulfield Guineas Prelude could be the race that shapes the spring campaign of Super Seth who returned with an impressive win at Caulfield.

Trainer Anthony Freedman said Super Seth would be aimed at either the Caulfield Guineas (1600m) or freshened for the Coolmore Stud Stakes (1200m) depending on his performance over 1400m in the Guineas Prelude on September 29.

Freedman is yet to be convinced Super Seth will run 1600m after the colt was beaten into third place at his only try at 1400m as an autumn two-year-old.

"At 1400 metres he looked disappointing, but he did lead and that might not be his go," Freedman said.

"Some horses don't like leading for whatever reason and he might be one of them so it's probably not fair to judge him on that, but we'll work it out in the next three or four weeks."

Returning in Saturday's Group Three HDF McNeil Stakes (1200m), Super Seth was sent out the $3.60 favourite and defeated stablemate King Of Hastings ($3.90) by 1-1/4 lengths with an unlucky Sebrakate ($9) a nose away third.

Freedman said Super Seth was likely to head to the Group Two Danehill Stakes at Flemington on September 14.

While Super Seth has trialled down the Flemington straight, Freedman wants to give the colt experience under race conditions ahead of the Coolmore Stud Stakes.

Settling in fifth position, Freedman said Super Seth was a little closer in the run than he expected.

"He would probably be better with more speed in his races which will happen as the races get better," Freedman said.

Freedman thought the performance of King Of Hastings was excellent after taking up the unnatural role of pacemaker.

He said King Of Hastings jumped too well and wouldn't settle for Ben Melham.