Marinus Petersen is a cycling coach and road cyclist, with a win in the 2021 Welsh road cycling championships on his palmarès. In this interview we discuss Marinus' approach to coaching and training.          IN THIS EPISODE YOU'LL LEARN ABOUT: -Marinus' overall coaching methodology -The importance of nutrition within the training process -The value of doing "oversized" endurance rides -How to balance aerobic volume and intensity -Testing and athlete profiling   SHOWNOTES: https://scientifictriathlon.com/tts423/   SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/   SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout.   ZEN8 - The ZEN8 Indoor Swim Trainer allows you to improve technique, power, and swim training consistency. You can target specific aspects of your stroke, like catch and pull-through, work on core activation and body position, and make sure you stay consistent in your swim training even when you don't have time to go to the pool. Try the Zen8 risk-free for 30 days, and get 20% off your first order on zen8swimtrainer.com/tts.   LINKS AND RESOURCES: Marinus' personal and coaching Instagram Fueling Endurance podcast How to Skate a 10k by Nils van der Poel   RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/   CONTACT: Want to send feedback, questions or just chat? Email me at [email protected] or connect on Instagram, Facebook, or Twitter.