Pete Magill is a running coach, author, and the fastest-ever American distance runner over age 50 in the 5K and 10K as well as a multiple American and world age group record-holder. In this interview we discuss the most important principles of improving your running speed, endurance and performance, applicable for everybody from 5k-specialists to Ironman-triathletes.    IN THIS EPISODE YOU'LL LEARN ABOUT: -Muscle fiber recruitment - how to train all your muscle fibers and make them work for you -Balancing hard and easy running -The all-important long run -Hill running - one of the most versatile tools in your running toolbox -Essential strength and conditioning for runners   SHOWNOTES: https://scientifictriathlon.com/tts203/   THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com   SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW and get your first box for free!    ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS.    LINKS AND RESOURCES: Fast 5k Running - Pete's website All of Pete's books All running-related episodes of That Triathlon Show   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 mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.