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160.9 kmTrail🇺🇸 Vienna, United States

Tunnel Hill 100

Saturday, 14 November 2026In 20 days · Start 07:00

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A flat 100-miler on the crushed-limestone Tunnel Hill State Trail in southern Illinois, run as two 50-mile out-and-back loops through a historic railway tunnel; popular for first 100s and fast times.

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Facts checked 25 Oct 2026 against tunnelhill100.com, ultrasignup.com.

Elevation gain
300 m
Hilly · ↓ 300 m
Highest point
207 m
above sea level
Temp at start
4°C
Peaks around 11°C
Entry fee
≈ $350
Open entry
Finishers
—
typical year
Course
Out and back
30h cut-off
Getting thereFly into STL (St Louis), about 197 km from the start

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Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Hilly: about 300 m of climbing and 300 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start
4°C
Peak during race
11°C
Humidity
70%
Chance of rain
11%
Wind
11 km/h

14 November in past years

Historical averages for 14 November ±3 days, 2016–2025, from 07:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

Finish times by age group

No data yet. We’re collecting age-group results race by race.

Runner reviews

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

Guides for this race

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Around the same time

All races in November 2026 →