Town Run Trail Park is a 127-acre (0.51 km²) natural resource park in Indianapolis, Indiana, United States. The facility is owned by Indy Parks and Recreation and was made possible through donations from Martin Marietta Aggregates, Mr. Oliver Dougherty, and R.N. Thompson Associates Inc. It is located near the White River on East 96th Street between Keystone Avenue and Allisonville Road. The main attraction at the park is a singletrack mountain bike course. The 6.9-mile (11.1 km) course is maintained by the Hoosier Mountain Bike Association.