BoxBox

Know your laps.

Extract GPS telemetry from your GoPro or RaceChrono, analyze every lap and corner, and compare performance over time.

Sign in with Google

Built for club and rental kart racers

GoPro RaceChrono
BoxBox session dashboard showing lap times, consistency stats, and coaching insights See a demo session →

Everything from your session, in one place

Real data from your laps — no guesswork.

Time delta and throttle/brake phase charts
Lap Analysis

See exactly where you gained or lost time with delta charts and throttle/brake traces.

A/B raceline comparison on satellite map
Race Line Maps

Compare your racing line against your best lap on real satellite maps — see every apex and exit.

Corner analysis map with per-corner rankings
Corner Breakdown

Find which corners cost you time and which ones you're nailing, ranked from weakest to strongest.

How it works

1
Record

Log your session with RaceChrono or GoPro

2
Upload

Drop your CSV or GoPro MP4 — telemetry is extracted instantly

3
Analyze

See your data, instantly

Your laps have a story. Let's read it.

Free to use — sign in and upload your first session in under a minute.

Get started free