The Staten Island equestrian center could be used by the city 's many horse enthusiasts , they say , although it would duplicate a similar site at the home of the United States equestrian team in Gladstone , N.J. Deidre Murphy , a road cyclist who competed in the 2000 Olympics , said there were hundreds of cyclists in New York who would be interested in using the Bronx velodrome , which would be the only enclosed bike track outside of California .