Saturday's Champions Day programme has attracted its usual blockbuster collection of declarations with last year's trifecta–Calandagan (Gleneagles), Ombudsman (Night Of Thunder) and Almaqam (Lope De Vega)–set to lock horns once again in the G1 Qatar Racing Champion Stakes.A stellar edition of the 10-furlong feature also includes G1 Prix de l'Arc de Triomphe runner-up Bay City Roller (New Bay), while Ombudsman's stablemate Devil's Advocate (Too Darn Hot), seventh last year, is also back for more.Aidan O'Brien relies on G1 Prix du Jockey Club and G1 Eclipse hero Constitution River (Justify), with the stable's £70,000 supplementary entry Gstaad (Starspangledbanner) sticking to the one-mile trip and pointing to the G1 Queen Elizabeth II instead.The other notable absentee is G1 Irish Champion winner Hotazhell (Too Darn Hot).Gstaad's rivals in the QEII include G1 Prix Jacques Le Marois winner Rayif (Sea The Moon) and recent G2 Joel Stakes victor Talk Of New York (Wootton Bassett), while the supporting events sees the G1 King George and G1 Yorkshire Oaks heroine Kalpana (Study Of Man) face one dozen rivals in the G1 Qatar Racing British Champions Fillies & Mares.Shadwell's G1 Haydock Sprint Cup victor Almeraq (Dark Angel) and Arc weekend's G1 Prix du Cadran winner Caballo De Mar (Phoenix Of Spain) and G1 St Leger hero Highwayman (Persian King) are the leading hopes declared for the G1 Qatar Racing British Champions Sprint and G1 Qatar Racing British Champions Long Distance Cup.The post Calandagan Heads Stellar Cast On Ascot’s Champions Day Card appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.