Articles in category: garmin

Wind, crosswinds and bicycle speed

31 March 2021 - On the internet, you’ll find many articles that discuss the theoretical effect of wind on cycling speed (plus articles on wind tunnel experiments, often paid for by companies that sell aerodynamic jerseys). But what about actual rides? And what’s the effect of crosswinds? I did an exploratory analysis of about 125 rides around the Ronde Hoep, a polder to the south of Amsterdam.

Cycling: Garmin altimeter compared to elevation databases

7 September 2013 - During a very rainy ride in Scotland, my Garmin altimeter appeared to be off: on some of the steepest climbs it failed to register any gradient. Afterwards, I tried the «elevation correction» feature on the Garmin website, which generously added over 750m to the total ascent the device had measured. This was certainly more satisfying, but it left me wondering. Can the weather affect the Garmin altimeter? And how accurate is the recalculated ascent?