Great Guernsey Trail Half Marathon Cambridge, OH   May 16, 2026

This event is meant to showcase historic downtown Cambridge, Ohio and The Great Guernsey Trail and will consist of a marathon, a half-marathon and a 5k distance. This will be Chip timed race with timing services provided by Muskingum Multisports. 

Proceeds raised at this event will support the Guernsey County Community Development’s (CDC) Great Guernsey Trail and The Cambridge Area Chamber of Commerce. After the race join us for the Finish Line Festival courtesy of Cambridge Main Street. 

The marathon and half marathon course will take runners through the historic areas of Cambridge, north to the Northwood Cemetery, along flat roads and a few hills, then back to the concrete & paved Great Guernsey Trail, which runs for eight miles to Lore City, Ohio. Runners will then turn around at the end of the trail and head back to the finish line, which will be located near the historic Guernsey County courthouse. There will be multiple water/Gatorade and first aid stations. Additionally, there will be emergency services stationed on standby along the entirety of the race course.