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Garage -> Practice -> Race

Plan in Garage.
Execute in Trackside.

Drive one continuous weekend loop: setup decisions at home, telemetry-driven practice calls at the track, and race debrief validation after the event.

Start Trackside Practice See how it works ->

Works with real tracks and cars from our library - MX-5, GR86, Mustang, Corvette, and more.

Decision Check in Garage. LTS practice guidance in Trackside. Debrief after race sessions.

User stories

What changed once they stopped guessing.

Short, real outcomes from drivers who used a ranked verdict instead of chasing every idea at once.

MX-5 ND2 at Gingerman

He kept buying power mods. The verdict showed grip was 3x more leveraged at that track. He switched focus to tires and braking zones — lap delta shrank across every session.

Mustang S550 at Road America

A small team rotated wing angles all weekend and saw the same lap time. The check showed drag sensitivity was 0.04s — a non-factor. They stopped changing aero and went home early.

GR86 at Grattan

They were tweaking aero balance between sessions. The verdict ranked vehicle mass above downforce. They pulled 30 lbs and targeted two grip-limited corners — clean gain, no guessing.

What you get

A verdict, not a dashboard.

Here is a real example. A Mazda MX-5 ND2 at Road America. The engine perturbed each lever ±5% and told you where the time is.

What Matters Next
Cornering-limited
Do not touch drag. Grip dominates this track.
Road America • Mazda MX-5 ND2 — Baseline 2:35.12s • Dry, optimal line

Limiting Factor

1
Grip 0.38s / +5% grip
Act on this

High Leverage

2 Downforce Coeff 0.27s / +5% downforce

Conditional Gains

3 Vehicle Mass 0.18s / −5% mass
4 Power 0.12s / +5% power

Non-Factors

5 Drag Coeff 0.04s / −5% Cd
Ignore
Dry conditions Standard aero balance Optimal racing line ±5% perturbation

11 simulations • 1.8s runtime • Model LTS v1.0

Example output — Road America, Mazda MX-5 ND2

This is what the engine returns. Ranked levers. A clear directive. No options to wade through.

What this is not

Clear about the edges.

This tool does one thing well. Knowing what it does not do matters just as much.

Not a setup tool

We rank what matters. We do not prescribe spring rates, ride heights, or wing angles. Execution stays with the engineer.

Not an optimization promise

No guaranteed lap time gains. The output informs prioritization — it does not replace testing or driving skill.

Not CFD or detailed aero

This is a fast lap-time simulator that compares relative impact. It does not replace wind tunnel work or surface-level CFD.

Not a replacement for experience

Engineering judgment still matters. This tells you where to look first — what you do with that is up to you.

Weekend Loop

Garage -> Practice -> Race

One app, one loop. Plan your setup in Garage, execute telemetry-driven changes in Trackside practice, then validate outcomes in race debrief.

1

Garage: choose the setup direction

Run Decision Check to rank setup leverage before you go on track.

2

Practice: Trackside execution

Upload telemetry, compare replayed pace vs LTS theoretical best, and adjust line or pedal strategy before the next session.

3

Race: debrief and validate

Confirm what worked, save validated decisions, and carry them forward.

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Telemetry Preview

Drop one CSV. See what the session says.

This is a fast preview of our telemetry insight pipeline. Upload a CSV and get immediate signal quality, warnings, and high-confidence callouts.

  • time
  • speed
  • throttle
  • brake

Best results include all four columns. If fields are missing, we still return warnings and partial insight when possible.

Run your first check.

Track. Car. Ranked verdict. Save it as your pre-event brief and carry it into the weekend.

Run a Decision Check

No downloads. No setup wizard. The check runs in your browser.