Aidan O'Brien
Aidan O'Brien had already trained winners of this race: Paddington (2023), City Of Troy (2024) and Delacroix (2025). With this win, the stable closed to within 4 wins of leader Chris Waller in the 2026 trainers' table.
Great Britain
Sandown · 04.07.26
Watch the racePurse€871,600
Distance2002 metres
Winning time2m 4.43s
SurfaceTurf
Conditions3-year-olds and up
Stories of this Result
Ryan Moore
With this win, Ryan Moore moved to 9 Group 1 wins this season, 9 wins behind leader James McDonald in the 2026 jockeys' table. The jockey had come close here before: Japan was third in 2020.
Watch the race
Racing TV · English commentaryResult
7 runners · prize money to 8th placePosHorseJockey · TrainerMarginPrize
2ndA Boy Named Susie3yo colt by Starspangledbanner × Soho SusieOisin MurphyDonnacha Aidan O'Brien3€247,900
6thKing's Gambit5yo gelding by Saxon Warrior × Pure SymmetryJamie SpencerHarry Charlton7 ½€15,600
Pedigree of the winner
As of race day 04.07.26Constitution River
Wootton BassettSire
ChuppyDamby Le Havre
DamChuppy
Constitution River is the first foal and so far only runner of Chuppy (Le Havre), a maiden who raced twice and a full sister to Wonderful Tonight, winner of the Gr.1 British Champions Fillies & Mares Stakes, the Gr.1 Prix de Royallieu and the Gr.2 Hardwicke.
Second damSalvation
Second dam Salvation (Montjeu) won three races in France and bred six winners. Besides Wonderful Tonight they include Penjade (Air Chief Marshal), a minor stakes winner in the US, and Heartache Tonight (Recorder), placed at Group 3 level and fourth in the Prix Saint-Alary, then a Group 1.
Third damBirdie
Third dam Birdie (Alhaarth) won the Listed Lingfield Oaks Trial and had four other winners. The best of her three stakes performers is Hostess (Iffraaj), winner of the Grade 3 Providencia Stakes and dam of Military, a winner at two in Ireland and third in the Gr.3 Killavullan Stakes. Birdie is also the grandam of Nayeli (Sir Percy), a Listed winner in Italy.
Wider family
Birdie's half-sister Fickle (Danehill), a Listed winner, produced Tarfah (Kingmambo), winner of the Dahlia Stakes, then a Group 3, and dam of Camelot (Montjeu), who won the Gr.1 2,000 Guineas, the Gr.1 Derby and the Gr.1 Irish Derby and became a leading sire.
Next generation
Chuppy's second foal is the unraced two-year-old filly Sensational Filly (Mehmas), and she also has a yearling filly by Kodiac.
Connections
Constitution River in 2026
1 other win · 2 placesTrainer / Jockey / Track
Irish Champion Stakes2012 metres · €1,250,0003rdAidan O'BrienRyan Moore12.09.2026LeopardstownPrize money €125,000Race detailsWatch
International Stakes2051 metres · €1,452,7003rdAidan O'BrienRyan Moore19.08.2026YorkPrize money €187,569Race detailsWatch
Prix du Jockey Club2100 metres · €1,500,0001stAidan O'BrienRyan Moore31.05.2026ChantillyPrize money €945,000Race detailsWatch
All winners since 2020
| Year | Winner | Trainer / Jockey | Owner / Breeder | Video | |
|---|---|---|---|---|---|
| 2025 | DelacroixDubawi × Tepin | Aidan O'BrienRyan Moore | Derrick Smith & Mrs John Magnier & Michael TaborTepin Syndicate | ||
| 2024 | City Of TroyJustify × Together Forever | Aidan O'BrienRyan Moore | Mrs John Magnier & Michael Tabor & Derrick SmithOrpendale/Chelston/Wynatt | ||
| 2023 | PaddingtonSiyouni × Modern Eagle | Aidan O'BrienRyan Moore | Tabor,Smith,Magnier,Westerberg,BrantDayton Investments Ltd | ||
| 2022 | VadeniChurchill × Vaderana | Jean-Claude RougetChristophe Soumillon | H H Aga KhanHaras De S A Aga Khan Scea | ||
| 2021 | St Mark's BasilicaSiyouni × Cabaret | Aidan O'BrienRyan Moore | Derrick Smith & Mrs John Magnier & Michael TaborRobert Scarborough | ||
| 2020 | GhaiyyathDubawi × Nightime | Charlie ApplebyWilliam Buick | GodolphinSpringbank Way Stud |
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