Performance Analyzer
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Race Performance Analysis

Upload your GPS track, instrument data, and ORC polar table. Get a color-coded nautical chart overlay and a full performance breakdown — all in seconds.

Upload Race Files

📁
GPS Track
GPX 1.1 with <trkpt> + <time> elements
Multiple files supported
Drop or click to upload
Download example
📁
Instrument Data
Columns: timestamp, TWS, TWA, STW (aliases accepted)
Multiple files supported
Drop or click to upload
Download example
📁
ORC Polar Table
Flat CSV with tws_kt, twa_deg, btv_kt columns
Drop or click to upload
Download example
— or —
📤
Upload 3 Files
GPX track, instrument CSV (TWS/TWA/STW), and your ORC polar table
⚙️
Instant Analysis
Bilinear polar interpolation computes your target speed at every point on the track
🗺️
Nautical Map + Dashboard
See exactly where you were fast or slow on an OpenSeaMap overlay, with full loss breakdown