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ULTRA & TRAIL TRAINING

Train for the Tunnel Hill 100

Nov 14, 2026  ·  Vienna, IL  ·  100 Miles/50 Miles

Cadoo verifies the training, not the race. This event stays on the calendar. Live games are open on cadoo.games.

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Event details

The Tunnel Hill 100

Everything you need to plan your build-up. Details below are for the event itself; the training happens on Cadoo.

DateNov 14, 2026
LocationVienna, IL (Midwest)
Distance100 Miles/50 Miles
TerrainTrail
EntryOpen
Field size~500 participants
Official event siteVisit ↗
Follow the eventSocial ↗
Train for it

Your Night Runner plan for the Tunnel Hill 100

Cadoo verifies the work before race day: camera reps and device steps. It does not time the course. Open the Ultra & Trail Arcade: Cadoo to pick this event and start a train-for game.

Night Runner

For an event like this, Cadoo runs a Night Runner game: it gets you comfortable moving after dark: essential for 100-milers that run through the night. Cadoo verifies camera reps and device steps. It does not time the course, and this race does not pay a cash prize.

28-week planDifficulty 10/10Team modeVerified workouts
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Keep going

Train, host, and learn

The Tunnel Hill 100 training guide →

The full write-up: how the Night Runner game maps to race day.

Ultra & Trail Arcade: Cadoo →

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Organizers & brands →

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What organizers get

For Tunnel Hill 100, the weeks before the start are the product.

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