BIG STAKES WEEKEND

Belgian jockey Christophe Soumillon celebrates after winning the 159th Prix de Diane horse racing aboard French horse Zarkava, 8 June in Chantilly, outside Paris. Zarkava has become the first three-year-old filly since Akiyda in 1982 to win Europe’s richest race, the four million euro Prix de l’Arc de Triomphe, at Longchamp here on Sunday.(AFP/File/Martin Bureau)

Tunisian Mohamed Ben Boubaker Ben Salem rides on “Sphira” on his way to win the first camel race to be held in Switzerland in Dielsdorf, near Zurich, Switzerland, on Sunday, Oct. 5, 2008. (AP Photo / Keystone, Patrick B. Kraemer)Jockey Rafael Bejarano guides Square Eddie to an easy victory in the $500,000 Lane’s End Breeders’ Futurity Grade I horse race at Keeneland in Lexington, Ky., Saturday, Oct. 4, 2008. (AP Photo/Ed Reinke)

Jockey Robby Albarado rides Thorn Song across the finish line to win the $600,000 Shadwell Turf Mile Grade I horse race at Keeneland in Lexington, Ky., Saturday, Oct. 4, 2008. (AP Photo/Ed Reinke)

In this photo provided by New York Racing Association, Vineyard Heaven, rode by Edgar Prado, captures The Champagne Stakes at Belmont Park in Elmont, N.Y., Saturday, Oct. 4 2008. (AP Photo/Adam Coglianese)

Jockey Robby Albarado smiles after riding Dream Empress to a win in the Darley Alcibiades Grade I horse race at Keeneland in Lexington, Ky., Friday, Oct. 3, 2008. (AP Photo/Ed Reinke)