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September Slam Demo Derby
- 🗓 Saturday, September 12, 2026 · 7:30 PM – 11:00 PM
- 📍 Eastern Idaho State Fairgrounds, 97 Park Street, Blackfoot, ID · Directions
- 🎟 Free
Combining classic cars with creative driving and mud, the Derby never disappoints the packed grandstand arena. There is only one rule for the Derby: keep moving . . . if they can. No matter how we say it, the Demolition Derby is still one of the most exciting events of the Fair.
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