Checking downloaded timing data and workspace preferences.
GT4 European Series
Session analysis
Compare pace, sectors, traffic, pit performance and race results.
Upload session CSVs
Upload the files you want to analyse. Sector timing is required; PitStops, Track Limits, and Final Results are optional.
Sector timing
SectorListCSV with lap times, sectors, drivers, and car numbers.
Pit stops
PitStopsCsv containing pit-in and pit-out times.
Track limits
TLWlistMessage export with violations by turn.
Final results
ResultListCSV or TrainingResultListCsv with official classification, teams, classes, gaps, and best laps.
Lap Time Evolution
Compares lap times across selected runs. The horizontal axis shows lap number and the vertical axis shows lap time. Hover or tap a point, or focus the chart and use arrow keys, to inspect lap details. Use the series controls below the chart to show or hide a run.
Select any runs from the same or different cars.
Load a TLW export with race-control messages to show official flag periods.
Advanced axis settings
Moving Average
Trailing average lap time across selected runs. The horizontal axis shows lap number; the vertical axis shows lap time.
Advanced moving-average settings
Sector Delta Split
Shows each selected run's sector loss in seconds relative to the fastest selected sector. Zero indicates the fastest sector.
Advanced axis settings
Ranking Best Lap
Ranking includes all loaded laps. Best-lap and sector metrics still exclude lap 1 and pit in/out laps.
Driver Comparison
Selected runs
Head-to-head laps
Traffic & Anomalies
Car Performance
Car Head-to-head
Car Pace Evolution
Compare lap times or median pace by car model. The horizontal axis shows lap number and the vertical axis shows lap time. Hover or tap a point, or focus the chart and use arrow keys, to inspect its details. Use the series controls below the chart to show or hide a model or entry.
Load a TLW export with race-control messages to show official flag periods.
Advanced axis settings
Moving Average
Trailing average lap time for selected cars. The horizontal axis shows lap number; the vertical axis shows lap time.
Advanced moving-average settings
Speed Trap & Sector Analysis
Fastest sector times and highest trap speeds by entry, using all laps including traffic, FCY, pit laps, and lap 1.
Theoretical Lap
Per Entry
Per Car
Best By Entry - All Laps
Sector 1
Sector 2
Sector 3
Speed Trap 1
Speed Trap 2
Speed Trap 3
Pit Stop Analysis
Upload the race timing CSV first, then upload the PitStops CSV here.
Pit Stop Summary from PitStops CSV + Sector Timing CSV
Target delta uses the minimum pit time, or minimum minus joker allowance when the Reason column says Joker. Technical stops are highlighted separately.
Select entries to filter the pit tables.
Pit-in sector 3
Pit-out sector 1
Rest of outlap
Race Replay
Estimated car position from sector times, lap start times, and pit timing references.
Replay Events
Track Limits
Review track-limit violations by car, lap, and corner.
Select entries to filter the track-limit tables.
Results
Load a Final Results CSV for the official classification; timing-derived results remain available as a fallback.
Click an entry to expand the official result summary, all lap times, sector gaps, speed traps, and track-limit laps.
Report entries
Select one or more entries from the active session. Class can be completed when it is missing from the timing CSV.
Analysis PDF
Metadata is prefilled from the active dataset and can be overridden for this report.
The report includes optional race evolution, gap, traffic, tyre, sector, pace-distribution, driver-comparison, and existing analysis pages. Clear any section above to remove it. Missing optional data is labelled in the PDF.
BOP Analysis
Compare two SRO GT4 BOP PDFs directly from uploaded files.