Rachel Alexandra, the first filly in 85 years to win the Preakness when she won the US Triple Crown race in 2009, was in serious but stable condition on Monday at an equine hospital.

Longshot Tapizar, trained by Steve Asmussen and ridden by Corey Nakatani, won Saturday's $1 million Dirt Mile, one of nine races on the second day of the $25 million Breeders' Cup championships.

A new points system will be used starting in 2013 to determine the 20 starters in the Kentucky Derby, replacing graded stakes race earnings as the way to decide which horses make the field.

Union Rags charged along the rail in the final moments to edge Paynter by a head and win the 144th Belmont Stakes on Saturday in the final event of American horse racing's Triple Crown.

I'll Have Another, the Kentucky Derby and Preakness winner, will not run in Saturday's 144th Belmont Stakes, trainer Doug O'Neill announced on Friday, ending the colt's bid for a US Triple Crown sweep.

I'll Have Another, the Kentucky Derby and Preakness winner, will not run in Saturday's 144th Belmont Stakes, trainer Doug O'Neill announced on Friday, ending the colt's bid for a US Triple Crown sweep.

I'll Have Another, the chestnut colt who won the Kentucky Derby and Preakness last month, will try to become only the 12th horse to sweep the US Triple Crown by winning Saturday's 144th Belmont Stakes.

I'll Have Another's run for US racing history in the Belmont Stakes will start from the No. 11 post on Saturday -- a perfect position for the Kentucky Derby and Preakness winner trainer Doug O'Neill said.

Kentucky Derby winner I'll Have Another won the 137th Preakness on Saturday, charging down the backstretch to edge Bodemeister by a head for a victory that sustained his Triple Crown bid.

While Kentucky Derby runner-up Bodemeister is the oddsmakers' favorite for Saturday's 137th Preakness, the trainer of Derby winner I'll Have Another is confident of victory.

Kentucky Derby winner I'll Have Another will leave from the ninth gate in Saturday's 137th Preakness, two spots outside where Derby runner-up Bodemeister was drawn on Wednesday.

I'll Have Another won the 138th running of the Kentucky Derby on Saturday, surging past Bodemeister in the final straight to claim the first jewel in US flat racing's Triple Crown.

Trainer Bob Baffert is counting on talent to overcome a lack of experience when he sends early favorite Bodemeister out on Saturday in the 138th running of the Kentucky Derby.

Zenyatta, US racing's 2010 Horse of the Year, has foaled a colt sired by 2006 Preakness winner Bernardini, the great mare's connections said Friday.

A 125-pound bay colt who was dubbed a super horse before he was ever conceived has been born to 2009 Horse of the Year Rachel Alexandra by 2007 and 2008 Horse of the Year Curlin.

LOUISVILLE, Kentucky (Reuters) - The top guns at Saturday's Breeders' Cup took a backseat to the lesser knowns as Goldikova failed to fire in her quest for immortality while Drosselmeyer pulled a shocker in the $5 million Classic.

LOUISVILLE, Kentucky (Reuters) - Caleb's Posse came from off the pace and blew past Preakness winner Shackleford in the stretch to win the Breeders' Cup Dirt Mile on a sun-splashed Saturday at Churchill Downs.

LOUISVILLE, Ky (Reuters) - Racing and training were canceled on Thursday at Churchill Downs, a day after a tornado hit the thoroughbred racetrack famed as home of the Kentucky Derby, according to track officials.

CHICAGO (Reuters) - An apparent tornado struck Wednesday night at Churchill Downs, the thoroughbred racetrack famed as home of the Kentucky Derby, damaging some barns, but no injuries were reported, an emergency dispatcher said.

NEW YORK (Reuters) - Ruler On Ice plowed his way through the mud to score an upset win in the 143rd running of the $1 million Belmont Stakes Saturday after the Kentucky Derby winner Animal Kingdom almost threw his rider at the start.