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The VOID - Tunnel
Fall into The VOID
The VOID - There is no exit.
America’s Only Underground Ultra on America’s First Superhighway

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160 miles. 48 hours. No light. No scenery. No escape from the decision.

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Most races take you somewhere. This one takes you inward.

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The VOID is a 160-mile ultramarathon run entirely inside an unlit, abandoned tunnel—part of the original Pennsylvania Turnpike, once known as America’s First Superhighway. When it opened, it stretched 160 miles from Carlisle to Irwin. This tunnel was built for speed and progress.

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Now, it serves a different purpose.

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Runners will complete 63 out-and-backs through a 1.3-mile corridor, returning to the same point again and again, totaling just under 160 miles. Every 2.5 miles, you are given a choice: continue—or stop.

 

Nothing about the course changes. Only your willingness to keep going.

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For 48 hours, you move through darkness, repetition, and isolation, guided only by a headlamp and your own discipline. There is no scenery to distract you. No terrain to break the rhythm.  Only the question waiting at the end of every lap.

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The VOID is more than a race against others. It is a negotiation with yourself—repeated 63 times.

 

For those who have already conquered mountains and distances, this is something else entirely: a controlled psychological crucible built on 160 miles of history.

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Because in The VOID, the hardest distance isn’t the tunnel...

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... it’s the space between your ears.

Read more about the Overview, Format, Rules, and Signup.

Sideling Hill Tunnel
Friday, 5:00 PM | November 20–22, 2026

The Void is an Eastern States Trail-Endurance Alliance event.          Copyright 2026  Eastern States Trail-Endurance Alliance

Contact

Sideling Hill Tunnel East Portal

40.047330, -78.116570

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November 20-23, 2026 | Sideling Hill Tunnel, Fulton County, PA

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© 2026 by Eastern States Trail-Endurance Alliance 

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