Biking Through Friesland

The Science of Data-Driven Workouts

May 31, 2023 - Willem L. Middelkoop

This Monday I completed 235KM on my fixed gear bike during the Fietselfstedentocht 2023. It was a nice ride with fair weather and favourable wind conditions. Yet, I took the challenge seriously and prepared myself with some proper training. In this post I'll have a look at the trend data from my WHOOP in preparation for the Elfstedentocht.

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Training on a non-electric cargo bike! The kids love it! No need for fancy GARMIN head units: WHOOP can track your workouts on any vehicle.

My HRV measurements going down... as result from lack of training during my family's move from the city to country side

... as a trained cyclist this ride data is not good: heart rate of 180BPM at an average speed of 22KM/h - this is 'the COVID effect' on my body - MISERABLE DELUXE

Training has its effects: my average HRV is trending upwards again!

Kevin (brother), me and Rob (brother in law) at the finish!

Through the Frisian country side during the Fietselfstedentocht 2023

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Bike Data Heart Sensors Sport

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