The Friends of J.S. Jenks Rain or Shine 5K/1 mile walk on Harry Potter Weekend! Online Registration is open! Church of St. Martin-in-the-Fields (St. Martin's Lane and Willow Grove Avenue in Chestnut Hill) Registraton $25 adults/$5 children Free Registration with $200 in sponsorships. See our website (http://friendsofjsjenks.org) to download our sponsorship form. In Association with the Chestnut Hill Business Association’s Harry Potter Festival Proceeds benefit the John Story Jenks School in Chestnut Hill. Run/Walk starts and ends at St. Martin in the Fields Church. Race will be timed and managed, and the course is traffic light free. Kid friendly event with kid's zone including moon bounce. Race as your favorite Harry Potter Character and/or bring your broom!