Mikael and David Dhooge answer listener questions in a supersized Q&A edition for the holiday season.              IN THIS EPISODE YOU'LL LEARN ABOUT: -Favourite TTS episodes of the year -Differences in training between sprint and middle distance races -Weight loss -Muscle fibre composition - how to estimate your phenotype -When and how to get back into training after illness -Pace or heart rate targets for Zone 2 training -"Big Days" in Ironman preparation -Our proudest athletic achievements, and bucket-list events -Threshold-training -Combining a training camp with a race -Starting and marketing a coaching business   SHOWNOTES: https://scientifictriathlon.com/tts422/   SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/   SPONSORS: Precision Fuel & Hydration help athletes perform at their best through their online tools, patented Sweat Test and range of electrolytes and fueling products. Use the free Fuel & Hydration Planner and receive a personalised plan for your carbohydrate, sodium and fluid intake. If you want further help, book a free 20-minute video consultation to chat through your plan. Listen out for the code in today's show to get 15% off your first order of PF&H electrolytes and fueling products. If you missed the code, just email hello@pfandh.com.   ZEN8 - The ZEN8 Indoor Swim Trainer is a unique Dryland Swim Trainer that allows you to improve technique, power, and swim training consistency. With the trainer you can do specific power and technique work, including working on your catch and core activation, and it helps you stay consistent even if you don’t have much time to train. You can try the Zen8 risk-free for up to 30 days, and you can get 20% off your first order on zen8swimtrainer.com/tts.   LINKS AND RESOURCES: Bent Rønnestad, PhD | EP#386 Richard Laidlow | EP#403 Dan Lorang | EP#417 Vasco Vilaça | EP#401 Sophie Coldwell | EP#395 Q&A on run training (part 2) | EP#388 Q&A on run training (part 1) | EP#385 Q&A on bike training | EP#381 Q&A on swim training | EP#377 Q&A on season planning, goal setting, and personal limiters | EP#372 Q&A episode archive David Dhooge   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.