If you are serious about a new personal record, Stryd gives you an undeniable advantage. Get the daily guidance you need to grow stronger. Reward those countless hours and miles of training with Stryd and a new record on race day.


Stryd brings power to the running world with cutting edge technology. Get ground breaking running form and fatigue measurements so you get fitter and not injured before race day.


Enhanced with carbon fiber, Stryd is light and strong. It accompanies every one of your runs, under any weather or road condition.


Stryd requires minimal attention. Each charge can last for weeks of normal training. All you have to do is set Stryd in its cradle to recharge.


Daily Guidance Fatigue, Race Day Power, Leading Pace & Distance
In The Box Stryd, Shoe Clips, Wired Charger
10 Grams
Bluetooth & ANT+
Water Resistant
1 month run time

Hardlopen met Power (eBook)

$ 9.50

How much power does your human engine have? How much power do you need for running in different conditions? How can you optimize your training and racing performance? How can you use power meters to improve your results? What are the ultimate limits of human performance?

The Secret of Running answers all of these questions. All factors determining the performance in running (from 800-meter race to marathon) are explained step by step: training, nutrition, body weight, running form, wind, hills, temperature, running gear, power meters and much more. Written in a crystal-clear and lively style, this book is a wealth of information for every ambitious runner. This title also contains brand new insights on how the balance of the power of your human engine and the power requirement for running in different conditions determines your performance. It shows how power meters can be used to optimize your training, running economy and race result. This book is lavishly illustrated and packed with useful data. Being already a bestseller in the Netherlands and Belgium, The Secret of Running can be considered the ultimate textbook for all serious runners and their coaches.