USDA substrate profile calibrating for this pin. Open Garage for class-specific setup guidance.
Pacific Raceways is a road course in Kent, WA. Across a road course, density altitude (shown live above) sets the power your engine makes, while track temperature moves grip corner to corner. The live DA is your baseline for braking markers and gearing.
As temperature, humidity and barometric pressure shift across the day near Kent, the density altitude above moves with them — and so should your tune. racer.wiki uses uncorrected station pressure for the real number, the same math a Kestrel runs. Read the full density altitude guide →
Custom race shirts, pit crew hoodies, and all-over print jerseys for Pacific Raceways 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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