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If you’re an ultra-trail runner, our ambassador and coach Guillaume Klein has a message for you!!!
Ultra-trail racing demands far more than simple physical preparation. It is a true mental, strategic, and nutritional challenge. Guillaume Klein, coach and Nutri-Bay ambassador, has a powerful message for all ultra-trail runners. Whether you are a beginner or an experienced runner, Guillaume Klein’s recommendations will help you better manage your preparation, optimize your nutrition, and adapt to the unique challenges of ultra-trail. -
The runner’s body: how does it change with age?
As we age, our bodies undergo changes that can affect our running performance. How do the different stages of life affect runners’ muscles, recovery, and nutritional needs? We also explain the strategies to adopt to continue to perform at your best by adjusting your training, diet, and recovery habits. Learn to understand and manage these changes to maintain a healthy and effective running practice...

