Speed Up Your Performance

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Inspired by the Tour de France's 2016 individual time trial, where the optimal set up between a time trial bike and a normal bike for a difficult up- and downhill course was discussed, we have developed a tool to find an optimal set up with real GPS and power data. This may be used for time trials and triathlon circuits.



Our tools are based on Java. Three applications are available:

  • Power to CdA: use recorded power data to measure your air resistance
  • Power to Speed: use recorded data from a real ride, especially GPS and power data, to analyse the effect of different set ups including aerodynamic settings
  • Course to Speed: download GPS course data and analyse different settings, especially useful to do pre-race analysis


  • Load course & power data (example courses included)
  • Data formats: CSV, extendedCSV, TCX, PeaksWare 
  • Set up of bike and rider data
  • Specify wind conditions
  • Estimate CdA based on recorded data (incl. Chung Method)
  • Simultaneous calculation of 5 settings
  • Analyse yaw angle distribution to optimize your material
  • Analyse race time
  • Sector analysis and best race set
  • Unlimited number of calculations
  • Available in English and German
  • User guide


UCI Time Trial 2017 in Bergen

Stefan Küng (SUI)
UCI Time Trial Bergen 2017.pdf
Adobe Acrobat Document 369.3 KB

Stefan Küng (SUI) announced that he will switch from a time trial bike to a normal bike for the uphill section at the end of the course. A good idea?


See more case studies here.


Tool Insights

Press on below screen shots to get an insight on the analysis capabilities of our applications:


Tour de France 2016 - Stage 18

Watch the analysis of the Tour de France's stage 18 in 2016
MP4 Video/Audio File 11.8 MB

In the media - radsport-news.com