The Traverse City Trail Running Festival is northern Michigan’s premier celebration of off-road running. The courses will take runners through the Pere Marquette Forest on a variety of singletrack and two track trails. The festival begins with a two-person 10K relay (each runner runs 5K) and an individual 5K on Friday evening, with the10K, 25K, 50K, and 100K individual races getting underway on Saturday morning. All events start and finish at Timber Ridge RV & Recreation Resort.