Burning River 100 Mile Endurance Run

Burning River Endurance Runs

The Burning River Endurance Runs and Relay takes place in Northeast Ohio and marks its 20th anniversary in 2026. The course travels through several scenic areas including the Cuyahoga Valley National Park and the Summit Metro Parks. Participants can choose from several individual trail distances or join a relay team.

Available distances include:

• 100 Miles solo trail race.
• 50 Miles solo trail race.
• Back Half 50 Mile solo trail race.
• Marathon (26.2 miles) solo trail race.
• 100 Mile 8 Person Relay team event.

The event has specific time limits for each category. Solo 100 Mile runners have 32 hours to finish and receive a belt buckle. Those in the 50 Mile category have 15 hours, while Back Half 50 Mile participants have 18 hours to complete their race. Marathon runners have a 14-hour limit. Finishers of the 50 mile and marathon distances receive a medal.

Specific rules apply to the relay and pacer options. The 100 Mile 8 Person Relay teams have 27 hours to complete the course. For the relay, female participants must run at least 25% of the segments to qualify for Co-Ed awards, and all members must be at least 40 years old for Masters award eligibility. Individual 100 Mile runners may use a pacer starting at mile 50, though runners aged 60 and over are permitted to have a pacer for the entire duration of the race. Visit the organization's website for the most recent information.