The historic Berwick 9-mile Run for the Diamonds is held annually on Thanksgiving morning and attracts close to 2,000 participants, including runners from across the country. At the Run for the Diamonds, many of the racers display their holiday spirit by donning turkey hats or pilgrim clothing.

Diamonds are awarded to top overall runners, and there are other rewards for winners in each age group. Run for the Diamonds is the oldest footrace in PA, the race has been held on the same course since 1908.