Tunnel Hill 100: Find Pacer & Crew on Run Square
1. Get the app on the Apple App Store and Google Play Store
Find pacer, crew, and connect with runners for Tunnel Hill 100 on the app. Run Square is available on iOS and Android app stores.
2. Find Tunnel Hill 100 on Run Square
Go to the Events Page

Open the Run Square app and tap the "Events" tab.
Search for 'Tunnel Hill 100'

Use the search bar to find the 'Tunnel Hill 100' event.
Activate Alerts & Notifications
(Available for logged-in users)
Tunnel Hill 100
Tap the alert icon to subscribe to Tunnel Hill 100 in-app updates. These updates will only appear on your home screen.
💡 For real-time alerts on your device, don't forget to activate push notifications in your account settings.
Maximize Your Tunnel Hill 100 Experience
Whether you're a runner seeking a pacer for Tunnel Hill 100 or a pacer looking to offer your support, Run Square connects you. Find experienced crew members, coordinate transportation, and discover lodging options.
Join the Tunnel Hill 100 community and make your race experience exceptional.
- Runners: Request pacer assistance.
- Pacers: Register to offer pacing services.
- Find experienced crew members.
- Coordinate ride-sharing and travel.
- Discover shared lodging options.
- Connect with fellow runners for mutual support.
- ...
About Tunnel Hill 100

Sat, Nov 8, 2025 • Vienna, IL
The Tunnel Hill races in Illinois offer 100-mile and 50-mile distances on a fast course known for world record performances. PACERS. If you have more than one pacer only one can run at a time, and they should use the same bib. 100 milers: You can have a pacer beginning at whichever time comes first, your final 24 miles, OR you can have one once it gets DARK. 50 milers: You can have a pacer at the nearest aid station to you for when it gets dark.
More info about Tunnel Hill 100
The Tunnel Hill races in Illinois offer 100-mile and 50-mile distances on a fast course known for world record performances. PACERS. If you have more than one pacer only one can run at a time, and they should use the same bib. 100 milers: You can have a pacer beginning at whichever time comes first, your final 24 miles, OR you can have one once it gets DARK. 50 milers: You can have a pacer at the nearest aid station to you for when it gets dark.
More info about Tunnel Hill 100