Sam Clipperton's first Saturday metropolitan treble is a building block for the young rider's future with Godolphin trainer John O'Shea already among his admirers.

At Randwick on Saturday, Clipperton rode the O'Shea-trained Terai as well as Aegean Sea for Clarry Conners and Eisenhower from the Gai Waterhouse stable to victories.

Sydney's premier apprentice for the past two seasons, Clipperton said the support of the big stables was paramount.

"It's a thrill to get a treble especially for a variety of trainers," Clipperton said.

"And it's a big deal to ride for Godolphin and an honour for them to put me on their horses."

Aegean Sea led all the way to win the two-year-old race which was marred by the scratchings of three runners before the race as Aspen Star and Not A Cherry became upset standing in the barriers waiting for the last horse to be loaded.

Godolphin's Italy was the pre-race favourite but he suffered cuts to a leg when Aspen Star kicked out in the stall next to him.

There was better news for Godolphin in the next race when Clipperton kicked Terai home over 2400m to beat Lucky Lucky Lucky by a short head.

The meeting was run on the Kensington track which came in for much criticism when it was apparent from the first race the issue of kick back was again a problem.

Clipperton was diplomatic saying it wasn't ideal but chief steward Ray Murrihy made his feelings known.

"It is not satisfactory for Saturday racing," Murrihy said.

But trainer Gerald Ryan was all smiles after a winning double with Skarsgard and Peace Force who both led in their races.

Skarsgard started the $2.70 favourite in the 1300m benchmark 80 while Peace Force was the top elect in the 1550m fillies and mares race.

"We put blinkers on Skarsgard and they have made a difference," Ryan said.

"I didn't expect him to lead but he jumped well and kept going.

"He has a lot of ability but is a bit dumb and needed something to help him and they have done the trick."

Peace Force came to Ryan after O'Shea signed up with Godolphin.

"John looked after her very well and exercised plenty of patience with her," Ryan said.

"She had immature knees as a younger horse but he gave her the time she needed and the owners are now reaping the benefits.

"For her to notch a win at Saturday level means a lot because obviously she carries plenty of value off the track."

Peace Force is a Bernadini half-sister to multiple Group One winner Eremein.