Running
Looking for a new place to get in your miles? Run (or walk) through Gateway. There are paths to run in each of the units. and both Great Kills and Sandy Hook have multi use paths.
Interested in a race? Many races are run through different sections of Gateway, including the Staten Island Half Marathon, Jersey Shore Half Marathon, and the New York Marathon.
So whether you want to get in some hill work in Fort Wadsworth, or are looking for a nice flat path, lace up your shoes and get going.