Brainerd International Raceway Road Course is a road course in Brainerd, MN. Density altitude, corner weights, brake bias and tire degradation across a stint decide your pace. The live DA above is where setup starts.
As temperature, humidity and barometric pressure shift across the day near Brainerd, the density altitude above moves with them — and so should your jetting and tune. Most weather apps show sea-level-corrected pressure, which gives the wrong DA; racer.wiki uses uncorrected station pressure for the real number, the same math a Kestrel runs. Read the full density altitude guide →
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