Port Royal Speedway, Port Royal, Pa. April 30 — Formula 1. Humboldt Speedway, Humboldt, Kan. May 5 — Lucas Oil Late Model Dirt Series. Ponderosa Speedway, Junction City, Ky. May 6 — USAC-CRA Sprint Car Series. 81 Speedway, Park City, Kan. May 6 — American Flat Track. Madison Int’l Speedway, Oregon, Wis. May 7 — ASA STARS National Tour. Madison Int’l Speedway, Oregon, Wis. May 7 — NASCAR Cup Series. Jacksonville Speedway, Jacksonville, Ill. May 12 — Lucas Oil Late Model Dirt Series. North Wilkesboro Speedway, North Wilkesboro, N.C. May 16 — High Limit Racing Series. Port Royal Speedway, Port Royal, Pa. May 20 — Lucas Oil Late Model Dirt Series. Fonda Speedway, Fonda N.Y. May 20 — NARC 410 Sprint Car Series. Petaluma Speedway, Petaluma, Calif. May 20 — ARCA Menards Series East.

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