Fitter Radio Triathlon Podcast30 Juni 2025

#624 - IRONMAN Frankfurt. Jeff Rothschild: Carbohydrate Manipulation.

Jack Moody is hosting this week and we catch up on the racing and news from the weekend.

Dr. Jeff Rothschild is back on the show and discusses the critical role of nutrition in athletic performance, focusing on the common mismatches between training and dietary intake. He emphasizes the importance of carbohydrates for training adaptation and the dual role of glycogen as both a fuel source and a signaling mechanism for the body.

The discussion covers practical applications of nutrition, daily energy balance, and how athletes can use technology to optimize their dietary strategies. Dr. Rothschild also introduces a course designed to help athletes understand and implement effective nutrition strategies to enhance their performance without compromising their health.

(0:00:00) – Jack Moody is back hosting this week

(0:07:28) – Long Distance World Champs Pontevedra

(0:11:56) – IM70.3 Nice

(0:13:03) – T100 race moved from Las Vegas to Wollongong

(0:17:30) – Pro IRONMAN Series rankings

(0:22:55) – IRONMAN Frankfurt

(0:43:25) – Testing carbohydrate oxidization rates

(0:46:55) – Jeff Rothschild

LINKS:

Follow Jack Moody on Instagram at https://www.instagram.com/jacktmoody/

Hotel Jakob at https://www.hoteljakob.at/de/hotel

Challenge Roth at https://www.challenge-roth.com/en/

IRONMAN Frankfurt at https://www.ironman.com/races/im-frankfurt

Jeff Rothschild Course at https://www.udemy.com/course/carbohydrate-periodization-for-athletes/?couponCode=ST16MT230625B

Link for course discount at https://www.udemy.com/course/carbohydrate-periodization-for-athletes/?couponCode=FITTER

Calculating VO2 Max without a lab test at https://knowledgeiswatt.substack.com/p/70-calculating-vo2max-without-lab

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