Caulfield trainer Andrew Noblet will persist with Group One plans for Sistine Demon despite the gelding's unplaced effort in the Goodwood at Morphettville.

Sistine Demon started the $6.50 favourite but finished 19 lengths from the winner in Adelaide's premier sprint but Noblet said he knew early in the race, he was struggling.

Noblet said Sistine Demon looked out of sorts from the moment he jumped from his wide barrier on Saturday.

"He never went a yard from as soon as he hit the ground," Noblet said.

Noblet's spirits rose when he saw Sistine Demon took no harm from his disappointing run, leaving the four-year-old to head to the spelling paddock in good condition on Monday morning.

Noblet said the Excites gelding would spend a month at an agistment farm before another month's pre-training on a water walker ahead of his return to full training in late June.

The trainer said his program left him with plenty of time to prepare Sistine Demon for early season Group One races over the 1400m course at Caulfield.

"You'd like to think he can run in the Rupert Clarke (Stakes) and those sorts of races in September," Noblet said.

"The Memsie is before that and he can head towards those sorts of races at Caulfield if he's going well enough."

Emerging three-year-old By The Grace gave Noblet something to cheer about on Saturday with his strong wet-track win at Flemington.

By The Grace scored his maiden city win in emphatic fashion to confirm Noblet's high opinion of the gelding.

Noblet said he would give By The Grace another run at Flemington on May 24 before sending the immature three-year-old for a break ahead of a spring campaign.

"He's a nice big horse with plenty of upside and he's going to be a lovely horse in the autumn next year," Noblet said.

"He's still behind the eight-ball maturity-wise."