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Tunnel Hill 100 & 50 Mile Runs

Vienna, United States • 8 Nov 2025

The Tunnel Hill 100 & 50 Mile Runs take place in Vienna, Illinois, on the scenic Tunnel Hill State Trail, a smooth crushed limestone rails-to-trails path featuring gentle 2% grades, iconic trestles, and a historic tunnel. The event offers 100-mile and 50-mile distances, both USATF-sanctioned and IAU Golden Label certified, with a 30-hour time limit. The course is fast and flat, ideal for first-time 100-milers and record attempts, with multiple world records set here.

Aid stations provide varied nutrition, and pacers are allowed under specific rules. The race also hosts the USATF 50-mile National Championship and serves as a qualifier for Western States and UTMB. Amenities include camping, lodging nearby, and generous prize money. Visit the organization's website for the most recent information.

United States Illinois Vienna

Race information

Website Registration
100 mi
100 Miler
50 mi
50 Miler
42 km
Marathon
Visit the organization's website for the most recent information.
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