Registration is also available on race day, beginning at 6AM, at the Mid-State Regional Airport, terminal building. (This address is for online location only, no correspondence: 451 Airport Road, Philipsburg, PA 16866.) The Seneca 50K Run begins at 7AM, the Hemlock Half Marathon Run begins at 8AM. Food and refreshments will follow at the airport terminal building, with awards after each race. The course closes at 3PM.