Breaking the One-Hour Barrier in Hyrox: What Needs to Change
Breaking the one-hour barrier in Hyrox. That was my goal for Hyrox Rotterdam. I was aiming to break the world record in the M50-54 'open' category. For a long time,…
Blogs
The future of coaching in endurance sports
This blog about the future of coaching in endurance sports starts with the past. Thirty years ago, Herman Vrijhof was my first coach. Twice a week, Herman stood trackside at…
Training zones and exercise test
You can determine your training zones with an exercise test. Training in the right training zones helps you improve your performance and to make progress. Whether you're a seasoned athlete…
Hyrox Race plan: Tips, Tricks & Pacing
How do you design a Hyrox race plan? With a pacing strategy that is both realistic and achievable? For my world record attempt at Hyrox Rotterdam—where I’m aiming for a…
Continuous lactate measurement during training
Can continuous lactate measurement during training improve your performance? With every training session, you disrupt the balance in your body, which results in a response—a phenomenon known as the training…
Hyrox test event data: five tips to improve your Hyrox
In this blog, we analyze Hyrox test event data and provide you with five tips to improve your Hyrox performance. Hyrox is all about endurance, strength, and mental resilience. It…
The how, what and why of interval training
This blog about the how, what and why of interval training teaches you how to improve your endurance performance. What exactly is interval training? And why should you do interval…
Rotterdam marathon 2024: I ran as fast as I could
Prologue "What an impressive turnout of volunteers!," I remark to brother Ard when we drive through an army of volunteers who are setting up an aid station at the Pascalweg…
How can you optimize your times with STRYD?
How can you optimize your times with STRYD? In this blog you will learn how I used STRYD to test which is the fastest shoe. Inside on the treadmill, and…
Personal Record on the marathon (3/3)
I ran my Personal Record on the marathon after my fiftieth birthday in the Two Rivers marathon in March 2023. The clock stopped after 2h38. In blog 1 and blog…
