PIT BOARD
PIT BOARD

Park Jefferson Speedway

North Sioux City, SD — 4/10
DIRT OVAL
TRACK SCIENCE · USDA SSURGO
50%CLAY
5.3%SAND
44.7%SILT

Aquents · Poorly drained

Forney silty clay

High-clay substrate — holds moisture; watch for sealed/slick transitions as the night progresses.

Pick your class in Black Book Garage — stagger matrix adjusts for track size and banking.
4/10
SIZE
clay
SURFACE
UNKNOWN
BANKING
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MERCH STUDIO · PRINTFUL

Design Park Jefferson Speedway merch

Custom race shirts, pit crew hoodies, and all-over print jerseys for Park Jefferson Speedway fans and drivers. Search 725 dirt tracks for logo art, add your number, live mockup — no MyRacePass $72/yr or design fees.

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