Chicago, Illinois, United States
10.5 miles (16.8 km) · 251 ft elevation gain · Loop · trail · Route
OBT-1 is a 10.5-mile loop route in Chicago, Illinois, United States, gaining 251 feet of elevation. The route follows a rolling elevation profile. The terrain covers 3 distinct sections with no major climbs. Nearly the entire route is runnable at a steady effort. The route both opens and finishes with flat terrain.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
View Full Route Details →