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The Big Deal At Great Seal

Chillicothe, United States • 2 May 2026

The Big Deal at Great Seal is a challenging running event held at Great Seal State Park in Chillicothe, Ohio. The race features multiple distances including a 100-mile ultra, 100k, 20-mile, adult 5k, and a 5k youth run. The course consists of a 20-mile loop primarily on single-track trails with two road crossings, offering approximately 2,700 feet of elevation gain per loop. This event aims to bring back a 100-mile race to the area, promising a rugged and scenic trail experience. It is designed for endurance runners seeking a demanding and well-organized ultra running challenge. Visit the organization's website for the most recent information.

United States Ohio Chillicothe

Race information

Website Registration
100 mi
100 Mile
100 km
100k
20 mi
2700 m+
20 Miler
5 km
5k Youth
5 km
Adult 5k
Visit the organization's website for the most recent information.
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