Get ready to run the scenic trails of Byron Forest Preserve in this Rockford Road Runners Circuit Race, featuring both a 5K and a 1-mile fun run option for the whole family! The well-maintained course offers beautiful panoramic views and varied terrain, with chip timing for the 5K, awards for overall winners, and medals for the top three finishers in each age division (5-year age groups from ages 0-80+). All fun run participants receive a participation medal, and if you want to guarantee a race shirt, make sure to pre-register by June 21, 2026 at noon.