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Ad Tentyris produced an explosive burst from the back of the field to claim the Group 1 Coolmore Stud Stakes on Derby Day. (George Sal/Racing Photos)

Pair of Flemington Group 1 winners retired

20 April 2026 Written by Brad Bishop – Racing And Sports

Two of Godolphin's dual Group 1-winning colts have run their final races and will take up a place on the Darley stallion roster later this year.

It was on Monday announced that Tentyris and Observer had been retired and would be split among Darley Australia's two bases.

Tentyris, a son of Street Boss who won the Group 1 Coolmore Stud Stakes (1200m) in spring before a first-up win in the Group 1 Black Caviar Lightning (1000m) earlier this year, will stand at Kelvinside in New South Wales at a fee of $88,000 (including GST).

Group 1 Howden Victoria Derby (2500m) and Group 1 Australian Guineas (1600m) winner Observer, a son of Ghaiyyath, will command $33,000 a serve at Seymour in Victoria.

"Tentyris and Observer are two of the best from our amazing three-year-old crop," Godolphin Australia managing director Andy Makiv said.

"This season is a credit to everyone involved, from those on the farms to our people in the office, right through to the trainers and their staff.

"To be so competitive on the racetrack this season and win races like the Coolmore, Lightning, Guineas and Derby is something everyone at Godolphin should be very proud of."

Observer was a brilliant winner of the 2025 Howden Victoria Derby. (Brett Holburt/Racing Photos)

Tentyris bows out after failing to beat a runner home in the TJ Smith Stakes (1200m) in Sydney. In addition to his Group 1 wins, he was a narrow runner-up in the Group 1 Blue Diamond Stakes (1200m) and won the Group 2 Todman Stakes (1200m) at two-years-old.

The Anthony and Sam Freedman-trained colt retires the winner of five of 10 starts with two additional placings helping him amass $2.65 million in stakes earnings.

Observer also won five times, his from 11 starts, and banked $2.7m with Group 1 placings in the Caulfield Guineas (1600m) and Rosehill Guineas (2000m) part of a CV that also includes Group 2 wins in the Moonee Valley Vase (2040m) and Autumn Stakes (1400m).

His final start for Ciaron Maher came in the Group 1 ATC Australian Derby (2400m), in which he finished fifth behind Green Spaces, who also carries the Godolphin blue.

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