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  • ❌ABANDONMENT IN ULTRA TRAIL ❌by Guillaume Klein

    ❌ABANDONMENT IN ULTRA TRAIL ❌by Guillaume Klein
    Dropping out of an ultratrail is something many runners dread. Guillaume Klein explores the most common reasons that lead to dropping out and offers practical strategies for managing your effort more effectively and maximizing your chances of successfully finishing the race.
  • Pre-competition training: a closer look at “the tapering phase” by Guillaume Klein

    Pre-competition training: a closer look at “the tapering phase” by Guillaume Klein
    Training before a competition is THE crucial phase for maximizing your performance. Proper physical and mental preparation can make all the difference on the big day. Guillaume Klein guides you through the best training practices before a competition, emphasizing the importance of planning, recovery, and adapting your program to your goals. Prepare effectively and achieve your goals with optimized pre-competition training.
  • If you’re an ultra-trail runner, our ambassador and coach Guillaume Klein has a message for you!!!

    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.
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