Event Details
The Bull Valley Monster Hill Challenge features 5km and 10km races, perfect for runners of all levels. Don't miss the excitement!
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Join us for the 2026 Bull Valley Monster Hill Challenge at 1904 Cherry Valley Road, Bull Valley, IL. Experience the thrill of racing on June 6, 2026.
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Sign up to see dealsThe Bull Valley Monster Hill Challenge features 5km and 10km races, perfect for runners of all levels. Don't miss the excitement!