Illinois · 100 Miler · 100 km · USATF 50Mi Nat. Champ.
Tunnel Hill 100
Tunnel Hill 100 is a 100 Miler, 100 km, USATF 50Mi Nat. Champ., 50 Miler and marathon event held in Vienna, Illinois. Its next confirmed date is Saturday, November 14, 2026.
- Race day
- November 14, 2026
- Location
- Vienna, IL
Race details
- Date
- Saturday, November 14, 2026
- Location
- Vienna, Illinois
- Distances
- 100 Miler, 100 km, USATF 50Mi Nat. Champ., 50 Miler, Marathon
- Course
- Very flat rail-trail, 340-680 ft elevation range, max grade ~2%
- Official website
- durbinracemanagement.com
About the Tunnel Hill 100
Tunnel Hill 100 is a flat, fast ultramarathon festival on the crushed-limestone Tunnel Hill State Trail through the Shawnee National Forest, offering 100 Mile, 100km, 50 Mile (2026 USATF 50 Mile Championship), and Marathon distances that all start and finish together at Vienna City Park.
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- Blog All guides Planning advice for finding, choosing and travelling to races.
Tunnel Hill 100: common questions
- When is the Tunnel Hill 100?
- The next confirmed date is Saturday, November 14, 2026.
- Where is the Tunnel Hill 100 held?
- In Vienna, Illinois.
- What distances does the Tunnel Hill 100 offer?
- 100 Miler, 100 km, USATF 50Mi Nat. Champ., 50 Miler and Marathon.
- How do I register for the Tunnel Hill 100?
- Registration is handled by the organiser at durbinracemanagement.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.