Fellrnr Blog - Update feed for Fellrnr.com

Final GPS accuracy results for the TomTom Cardio published at http://fellrnr.com/wiki/GPS_Accuracy

Removing body fat with ice seems too good to be true. How well does it work, and how long does it last? Here's my update 2 year aft...

How does the new TomTom Cardio running watch, with its optical measure of heart rate, compare with the best in running watches ?

I've uploaded the audio I use for Tabata style HIIT workouts. The 20/10 second intervals are far too short to look at a watch, so ...

I’ve made two changes to my code for analyzing the GPS accuracy of running watches . My code was using the distance recorded for the first...

So how does the accuracy of a footpod compare with GPS ? You might be surprised, but I've been using a Footpod whenever pace is cri...

Lots of small changes to my GPS accuracy analysis . I've moved some of the details to subpages for clarity, used deviation from the...