Adirondack Marathon course
Clockwise loop around Schroon Lake, NY (26.36 mi OSRM road distance; USATF-certified 26.2, NY21011JG). OSM-derived waypoints routed via OSRM. Water/sports drink at ~15 stations: roughly every 2 mi to mile 20, then every mile from 20-25. Relay exchanges at miles 4.4, 13.1, 18.2.

Start: Main St (US-9), Village of Schroon Lake

Mile 4.4: Crane Pond Rd / top of Adirondack Rd

Mile 13.1: Hamlet of Adirondack (East Shore Dr)

Mile 18.2: US-9 at Pottersville

Finish: Schroon Public Beach (Leland Ave)

Adirondack Marathon course