Between 4,000 and 5,000 spectators are expected to arrive in Unionville next Sunday for the 73d annual Pennsylvania Hunt Cup.
Proceeds from the Timber Steeplechase race will benefit five local nonprofits, including the Stroud Water Research Center, Brandywine Conservancy, Brandywine Valley Association, Cheshire Land Trust and Natural Lands Trust.
"We are extremely enthusiastic about preserving open space and the watershed," said Kathee Rengert, executive director of the Hunt Cup. The Unionville track is on land protected by conservation easements.



