RNJ Sports, inc

Time Again to sign up for the 2018 Rockville 10K/5K, Coming up fast in November.

Online Registration.

Parks Half Marathon continues the tradition of success starting with the Marathon in the Parks for competitive runners and for the Montgomery County parks system that the race showcases. Created by the Montgomery County Road Runners Club (MCRRC), the event showcases one of the most extensive metropolitan parks systems in the country while providing runners with a competitive, top-notch race.