Field notesFeb 2026Journal

Why eSim is the open category

Every motorsport autobiography contains the sentence “we couldn’t afford to continue.” eSim is the category that deletes it.

Karting has done one job for seventy years: it is where racing skill is cheapest to build and easiest to measure. It is also priced like a used car, per season — so the most meritocratic instrument in the sport mostly ends up measuring parental income. eSim inherits karting’s job and drops its bill to zero.

A real lap, in a browser

The open category is a free qualifier on a scanned, real circuit. Not a game level — the actual corner, geometry intact, run in your browser. Your lap counts the moment it is clean. No entry fee, no travel, no machine to buy. The only thing you bring is the line.

Open does not mean unranked

“Open” gets misread as “soft.” It is the opposite. A lap is scored on the full triple — pace, yes, but also consistency and honesty, the same measures a real session is judged on. The ladder above it is earned by record, not bought, and paid for by sponsors. Open at the bottom, brutal all the way up.

That is the category we build for first, because it is the only one that lets the kid with a good trace and no budget be found at all. The gate was never locked. eSim is us finally taking the sign down.

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