12/29/2007 1:00AM

The year in racing

EmailJan. 8: The Breeders' Cup announces it will add three races and expand to a two-day format for the 2007 championships in October at Monmouth Park.

Jan. 22: Invasor is named the 2006 Horse of the Year and champion older horse at the 36th annual Eclipse Awards dinner.

Jan. 29: Eight months after fracturing his right rear leg in the 2006 Preakness, Kentucky Derby winner Barbaro is euthanized because of laminitis.

Feb. 24: Noble Threewitt ends his 75-year training career, announcing his retirement in California on his 96th birthday.

March 31: Invasor wins the $6 million Dubai World Cup at Nad Al Sheba in what would be his final career race before his retirement in June.

May 5: Under a rail-hugging ride by Calvin Borel, Street Sense becomes the first Breeders' Cup Juvenile winner to capture the Kentucky Derby.

May 19: Curlin takes the Triple Crown off the table with his head victory over Street Sense in a hard-fought Preakness Stakes.

June 2: Sheikh Mohammed al-Maktoum's Darley Stud buys the breeding rights to Street Sense, part of a buying spree of top 3-year-old stallion prospects including Hard Spun and Any Given Saturday.

June 9: Rags to Riches becomes the first filly to win the Belmont Stakes in 102 years, beating Curlin by a head to give trainer Todd Pletcher his first Triple Crown victory.

July 13: Funny Cide, the 2003 Kentucky Derby and Preakness winner, retires from racing at age 7 to launch a new career as trainer Barclay Tagg's stable pony.

Aug. 6: Jockey Jose Santos, Derby winner Silver Charm, and trainer John Veitch are among the inductees into the National Museum of Racing and Hall of Fame in Saratoga Springs, N.Y.

Sept. 1: Richard Carter, the author and journalist who educated a generation of handicappers under the pen name Tom Ainslie, dies at age 89.

Sept. 4: Gov. Eliot Spitzer recommends a 30-year extension for the New York Racing Association to run racing at Aqueduct, Belmont, and Saratoga, but the plan runs into resistance from the state Senate ahead of the franchise's Dec. 31 expiration.

Oct. 8: John Henry, the beloved two-time Horse of the Year, is euthanized at age 32 at the Kentucky Horse Park.

Oct. 12: The Jockeys' Guild files for Chapter 11 bankruptcy protection to try to pull out of its financial troubles, which also lead the guild to drop its health insurance program for riders.

Oct. 17: In a settlement with the Kentucky Horse Racing Association, Patrick Biancone agrees not to seek a trainer's license until Nov. 1, 2008, after cobra venom was found in his Keeneland barn in June.

Oct. 20: The 10-year-old superstar McDynamo wins his fifth straight Breeders' Cup Steeplechase at Far Hills, N.J.

Oct. 27: Curlin wins the Breeders' Cup Classic at a sloppy Monmouth Park, likely sewing up the 3-year-old Eclipse and Horse of the Year awards.

Nov. 5: At the Keeneland November auction, Sheikh Mohammed buys Playful Act for $10.5 million, a world-record price for a broodmare or broodmare prospect.

Nov. 7: Golden Gate Fields unveils its new Tapeta surface, completing California racing's conversion to synthetic surfaces along with Polytrack at Del Mar, and Cushion Track at Hollywood Park and Santa Anita. Other notable synthetic debuts include Polytrack at Arlington Park and Tapeta at the new Presque Isle Downs.

Nov. 15: Keeneland and Fasig-Tipton announce a new policy restricting steroids in sale weanlings and yearlings starting in 2008, as several auction houses and racing jurisdictions try to crack down on the drugs.

Nov. 23: Trainer Todd Pletcher's 2007 earnings hit $26,850,873, breaking his own single-season record despite a six-week suspension early in the year.

Nov. 26: Bill Hartack, the Hall of Fame jockey and five-time Derby winner, dies at age 74.

Dec. 7: Jockey Kieren Fallon is acquitted of race-fixing charges after a sensational trial in London.

Dec. 10: The Breeders' Cup grows again, adding three more races for a total of 14 starting with the event's 25th running at Santa Anita in 2008.

Dec. 23: Dale Baird, the winningest trainer in Thoroughbred history with 9,445 victories, dies in an auto accident in Indiana at age 72.

-- compiled by Dave Renard