July 12, 2015 0 Boston Host to Purina Pro Plan Incredible Dog ChallengeThe 18th annual Purina Pro Plan Incredible Dog Challenge was held Saturday afternoon in Jose Moakley Park. READ MORE 3 Million Dogs, Dogbook, News18th Annual Purina Pro Plan Incredible Dog Challenge, agility, boston, disc routines, dock jump, Harper Jack Russell, hurdles, Moakley Park, pole racing