Andy Blow, founder of Precision Hydration and former elite triathlete answers listener questions about hydration and electrolytes in racing and training.   IN THIS EPISODE YOU'LL LEARN ABOUT: -Hydration preloading for races -Rehydrating after training and racing -Having three independent levers on race day: water, electrolytes and calories -Hypotonic vs. hypertonic solutions -Cramping on the Ironman run   SHOWNOTES: https://scientifictriathlon.com/tts191/   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 OR use the code THATTRIATHLONSHOW20 to get 20% off your entire order.   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: Hydration, sodium and cramping with Andy Blow | EP#49 Q&A #27 - Cramping (with expert guest Andy Blow), what CTL is required to get to Kona and a little rant... Should you really just ‘drink water to thirst’? - Precision Hydration blog post Why do athletes suffer from cramp? - Precision Hydration blog post Should your hydration strategy change as you get older? - Precision Hydration blog post What Your Body Actually Needs During Different Types of Endurance Exercise - Precision Hydration blog post Different types of sports drink and when to use them. - Precision Hydration blog post 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.