I have finished my 4 week challenge. My goal was to improve my endurance, because I want to train for an ultra endurance race next year. Here’s what I wrote at the start of my challenge: ‘’Hello everyone, my name is Thiago and my goal is to complete at least 80% of Arne’s training plan for 4 weeks. After that I have another goal which is to go for a longer 12-months training program, to prepare for an ultra endurance race on June/27. ’’ My 4 Week Challenge Results: 84% of workouts completed as planned Result pre-exhausted 1h test 1: 200 Watts Result pre-exhausted 1h test 2: 219 Watts 9.5% improvement in 4 weeks I felt great about the challenge, though there’s still a long road back to a significant level of power, it was a good improvement. I learned about Arne’s method as a great “cyclical elevator” model, great for setting goals, training and measuring progress in a short monthly period. Certainly it will contribute to my ultimate goal. Constantly improving power and adding volume. The gaming part of the process also is super fun! Thinking about the test sure makes a competitive individual go all out for it. It adds the third variable to improve, emotional strength. Definitely would recommend to everyone. Thanks again Arne and let’s go for the next months 💪🏼💪🏼💪🏼💪🏼