Punters are bracing for a heavyweight showdown in the 2026 Rosehill Guineas this weekend, with the Chris Waller-trained Autumn Boy tipped to reclaim his status as the premier three-year-old as he squares off against the relentless Observer.
Chris Waller’s Caulfield Guineas winner Autumn Boy chases an interstate double now third-up in the Rosehill Guineas. Photo: Ultimate Racing Photos.
As one of five Group 1 features on the star-studded Golden Slipper Day program, the $750,000 Rosehill Guineas (2000m) has attracted a select but high-quality field of middle-distance prospects, all looking to stamp their authority ahead of next month’s Australian Derby.
Leading the charge in the latest Rosehill Guineas betting markets at $2.20 is the well-bred son of The Autumn Sun, Autumn Boy.
The colt reached the summit of his age group last spring with a gritty victory in the Group 1 Caulfield Guineas (1600m), and the stable is confident he is primed to return to the winner’s circle third-up.
His autumn preparation has been building momentum, starting with a solid third in the Hobartville Stakes before a gallant second behind Sheza Alibi in the Group 1 Randwick Guineas.
Now stepping up to the 10-furlong trip he seems to be craving, Autumn Boy has drawn perfectly in barrier three.
The booking of James McDonald ensures he will have every opportunity to find his best form.
The primary obstacle to a Waller victory is the Ciaron Maher-trained Observer, who is currently a $2.70 second-elect.
The VRC Derby champion is arguably the form horse of the country, chasing his fifth consecutive win.
Horse Racing Tip: Observer looks value heading to Sydney chasing his fifth win on the trot in Saturday’s Rosehill Guineas!
Observer’s versatility was on full display earlier this prep when he defied top weight to claim the Group 2 Autumn Stakes (1400m) before a dominant display as the odds-on favourite in the Australian Guineas (1600m) at Flemington.
While the shift to the Sydney clockwise way of racing is the final piece of the puzzle, his experience and stamina suggest he will be incredibly difficult to catch.
He jumps from barrier two under Craig Williams, a jockey who has tasted success in this race twice since 2014.
Beyond the “Big Two,” there is significant value for those looking to play away from the favourites.
The Team Hawkes-trained Federalist ($10) is one such runner; despite still being a maiden after eight starts, he showed he belongs at this level with a fast-finishing second in the Phar Lap Stakes (1500m) last week.
Other double-figure fancies include the Peter Moody & Katherine Coleman-trained Victorious Spirit ($11), who arrives following a credible fourth in the Australian Guineas, and Bjorn Baker’s Group 3 winner Green Spaces ($11).
The 2026 Rosehill Guineas will serve as a pivotal Derby qualifier, scheduled as Race 6 at 3:15 pm (AEDT) on Saturday’s blockbuster 10-race card.
2026 Rosehill Guineas Field & Barriers
| No | Horse | Jockey | Trainer | Barrier | Weight | Age | Sex | Last Starts | Prize Money |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Observer | Craig Williams | Ciaron Maher | 2 | 56.5kg | 3 | C | 11×11 | $2,564,950 |
| 2 | Autumn Boy | James McDonald | Chris Waller | 3 | 56.5kg | 3 | C | 71×32 | $2,225,250 |
| 3 | Deal Done Fast | Damian Lane | Matt Cumani | 5 | 56.5kg | 3 | C | 443×5 | $207,810 |
| 4 | Green Spaces | Rachel King | Bjorn Baker | 8 | 56.5kg | 3 | C | 11×66 | $209,575 |
| 5 | Victorious Spirit | Zac Spain | Peter G Moody & Katherine Coleman | 7 | 56.5kg | 3 | G | 31×34 | $106,850 |
| 6 | Federalist | Dylan Gibbons | M, W & J Hawkes | 1 | 56.5kg | 3 | G | 49×22 | $111,500 |
| 7 | One Step Closer | Zac Lloyd | Tom Charlton | 9 | 56.5kg | 3 | G | 44×03 | $139,450 |
| 8 | Bingi | Ben Melham | Peter G Moody & Katherine Coleman | 6 | 56.5kg | 3 | C | 77×95 | $138,850 |
| 9 | Are You Kidding | Kerrin Mcevoy | Paul Messara & Leah Gavranich | 4 | 56.5kg | 3 | G | 2313 | $24,600 |
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