Tunnel Hill 100 Mile Race

100M · Vienna, IL, US · 2026-11-14 · official site

Course

Distance	100.0 mi
Distance (metric)	160.9 km“"100.0 mi" (100 miles; converted at 1.609344 km/mi)” source
Course type	out-and-back“"The 100 Mile course is a double out-and-back on the Tunnel Hill State Trail," "Runners repeat this exact course for 100 miles."” source
Elevation gain	1,800 ft“"Elevation gain/loss: ~1,800 ft" (converted at 0.3048 m/ft)” source
Net elevation	0 ft“"All runners start at Vienna City Park ... and back to Vienna City Park for the 50 mile split." "Runners repeat this exact course for 100 miles." Out-and-back finishes at its start, so net change is 0.” source
Terrain	forest“"a converted rail corridor through the Shawnee National Forest."” source

Nearest town	Vienna“November 14, 2026 · Vienna, Illinois” source
State	IL“November 14, 2026 · Vienna, Illinois” source
Country	US“November 14, 2026 · Vienna, Illinois” source
Race starts at	Vienna City Park, Vienna, IL“"Vienna City Park" at "302 E Vine St, Vienna, IL 62995". "All distances start and finish at the same line near the Tunnel Hill State Trail white building."” source
Nearest major airport	STL“Endpoints: St. Louis Airport (STL) → Vienna City park, Vienna, IL 62995, USA. "The distance between St. Louis Airport (STL) and Vienna City park is 148 miles. The road distance is 155.6 miles." STL chosen as the FAA medi” source
Driving distance to airport	155.6 mi“St. Louis Airport (STL) → Vienna City park, Vienna, IL 62995, USA. "The road distance is 155.6 miles."” source