Presented by The Tandem Connection Running and Bike Shop in conjunction with The Montour Trail. The races will be held on the Montour Trail starting and finishing at The Tandem Connection. The National Tunnel races benefit the Montour Trail. The course is a flat, fast crushed limestone surface for all distances. The 5K race is a 1.5 Miles out and back race. The 10K race is an out and back, which takes you through The National Tunnel and back. Please note: the start and finish is no longer at Cecil Park.