Christof Schwiening's random thoughts and writings

Runners often compare distance measurements from GPS devices only to be surprised by the extent of the variation. Some devices do perform be...

Predicting the speed (or intensity) that can be maintained for different durations is a difficult subject that has concerned runners for man...

I, and others, have made great play of Giovanni Tanda's marathon prediction equation. We have promoted it's use, both as a predictiv...

Race predictor Version 0.2 Age: ...

The effort expended running on a treadmill differs from that on road for a number of reasons, the main one being the lack of wind resistan...

Heal Force Extraction Heal Force data extraction utility This script will extract heart rate data from the Heal Force Prince 180D ....