Eight 3-year-old trotting fillies were entered as Rosecroft Raceway drew posts for its $400,000 division of the Breeder's Crown to be raced Oct. 26. In post position order they are Petrolianna, Head Hunter, Maiden Yankee, Harmony Lobell, Nevele Amanda, Moshannon Finesse, Fancy Crown and Selena Lobell.

Early favorite for Maryland's richest trotting event: Fancy Crown, tied for fastest trotter of all time (1:53 4/5), already earned $593,847 . . .

Needles, the first Florida-bred and oldest surviving Kentucky Derby winner, died of natural causes yesterday at age 31 at Bonnie Heath Horse Farms of Ocala. Needles won the Derby and Belmont Stakes in 1956 for Bonnie Heath, who, with Jack Dudley, bought the horse when he was 2. Needles retired in 1958 and stood at stud until 1980. He sired winners of $6 million, and his daughters produced winners of more than $12 million.

Katie Monahan, the nation's third-ranked show jumping rider from Upperville, Va., will ride in only the final international-open class, the President's Cup Oct. 28, at the Washington International Horse Show because she missed the entry deadline (the Friday after Labor Day) for other events.

The Monahans sought to enter 10 horses in various divisions of the eight-day show, which begins Sunday evening at Capital Centre.