Activity File Viewer & Workout Analyzer (TCX & GPX)

Analyze your running and cycling workouts with our free activity file viewer. Upload TCX or GPX files from Garmin, Wahoo, Polar, Strava, or any device that exports these formats. View interactive maps, heart rate zones, pace analysis, and automatically detected intervals.

Features

  • Support for both TCX and GPX file formats
  • Interactive workout map with GPS route visualization
  • Heart rate zone analysis and charts
  • Pace and speed metrics with customizable focus areas
  • Automatic interval detection for structured workouts
  • Detailed trackpoint data and statistics
  • No registration or file upload to servers - all processing happens in your browser

Activity File Uploader

No map (yet) to display.