Stats: age 30, Chatsworth, Ga.

Icarus: gr. g., 17.1 hands, 13 years, U.S.-bred Thoroughbred (Boundlessly—Suzan’s Sil-ver), owned by Nathalie Pollard.

This pair won the Jersey Fresh CCI*** (N.J.) in 2009. This spring, they were second in a division of advanced at Pine Top Spring (Ga.) and third in the CIC*** at Red Hills (Fla.).

Stats: age 27, Uxbridge, Ontario.

Exponential: b. g., 16 hands, 13 years, Canadian-bred Thoroughbred, owned by rider.

Stats: age 53, The Plains, Va.

Quintus 54: dk. b. g., 16.2 hands, 11 years, German-bred Oldenburg (Quinctius—Montanja, Contango), owned by Team Rebecca LLC.

Last year, they were second in the CCI** at The Event At Rebecca Farm (Mont.), then eighth in the Fair Hill CCI*** (Md.). This spring, the pair was ninth in the CIC*** at Red Hills (Fla.) and 11th in a division of advanced at Poplar Place (Ga.).

Stats: age 49, Auburn, Calif.

R-Star: gr. m., 16.2 hands, 10 years, U.S.-bred Holsteiner (Riverman—Marisol), owned by rider.

This pair was 10th at the 2009 Fair Hill CCI*** (Md.) and fourth in the 2010 Galway Downs CCI*** (Calif.). Last year, they also finished eighth in the CIC*** at The Event At Rebecca Farm (Mont.) and fifth in the CIC*** at Galway Downs (Calif.). This spring, they were 12th in a division of advanced at Twin Rivers (Calif.) and seventh at advanced at Southern Pines II (N.C.).

Stats: age 31, Lewisville, Texas.

Slate River: dk. b. g., 17.1 hands, 13 years, U.S.-bred Oldenburg (Riverman—Etoile, Bonjour), owned by The Team Express Syndicate.

In 2009, after winning the Poplar Place September CIC*** (Ga.), this pair was 11th at the Fair Hill CCI*** (Md.). Last year, they were seventh in a division of advanced at Rocking Horse Winter II (Fla.). This spring, they were 15th in a division of advanced at Poplar Place March.