Pick a session and drivers, then hit Compare.
Real data from the official F1 timing feed (via FastF1), recorded for 8 sessions from 2024 and 2026. Each driver's fastest lap is included, and the analysis runs in your browser. The full app on GitHub loads any session, any lap and live timing.
Sector gaps
time lost to the fastest selected driver, per sectorTrack dominance
Speed map
Speed & power
top speed, average speed and time at full throttleLAP REPLAY
0:00.000
CHASE CAM
Camera
Follow
Track
Elevation
Telemetry
Hover to scrub · drag to zoom · double-click to resetG-G diagram
grip used: braking ↓ · traction ↑ · cornering ↔Gear usage
% of lap time in each gearSpeed distribution
% of lap time per 10 km/h bandBraking zones
Brake point = distance from the line where the pedal goes on. Green = latest braker / highest minimum speed.—
Timing
click to follow (2 max)Track
live positionsRace control
Pit stop cost
time lost to a stop, now and under neutralisationRejoin predictor
Tyre degradation
fuel-corrected, fitted live from this race's lapsUndercut / overcut
every close battle · gap after both cars have stopped (negative = chaser ahead)Pit window
for the driver chosen in the rejoin predictorBattery / ERS values are estimates from speed, throttle and brake — F1 teams don't publish real battery data. Strategy models use only laps completed so far; assumptions are listed in backend/strategy.py.