Fitter Radio Triathlon Podcast

• #647 - Pete Pfitzinger. Tri News and Race Reviews

  Tim's back and he fills us in on his epic adventures at Godzone. We catch up on all the racing and tri news from the weekend. Pete Pfitzinger is an American former distance runner - now exercise physiologist and author - who represented the United States in the marathon at two Olympic Games, in 1984 and 1988. He is also a highly respected coach and the co-author of the popular training book Advanced Marathoning. The latest (4th) edition of his book is now in full colour and includes the marathon training principles and training programs that thousands of marathon runners have used to set personal bests. The book is aimed at runners who want not only to run the marathon, but to achieve a good performance. Advanced Marathoning gives ambitious marathoners the information needed to train smarter, remain injury-free and cross the next finish line stronger and faster than ever. (0:00:00) – Godzone   (0:29:14) – Race reviews and tri news (0:45:03) – Alex Yee (0:50:58) – Pete Pfitzinger LINKS: Godzone Adventure Race at https://godzoneadventure.com/ Pete Pfitzinger's latest book Advanced Marathoning 4th Edition at https://www.amazon.com/Advanced-Marathoning-Pete-Pfitzinger/dp/1718237472

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• #646 - The Energy Cost of Swimming. Kosciuszko UTMB. Loan Market Tauranga Half

  Jack steps into the hot seat to cover for Tim whilst he battles the GODZONE course! Sue Beattie won the free race entry to the Kosciusko 50K Ultra. We find out how it all went. We chat about the metabolic cost of swimming and the dangers of poor fueling. We have a free race entry to giveaway to the Loan Market Tauranga Half Oceanside. (0:00:00) – Tim at Godzone (0:03:39) – UTMB Kosciuszko (0:06:14) – Sue Beattie (0:19:29) – IRONMAN WA this weekend (0:23:07) – Swimming stress and the metabolic cost (0:53:21) – Loan Market Tauranga Half Oceanside LINKS: Godzone Adventure Race at https://godzoneadventure.com/ Jack Moody at https://www.instagram.com/jacktmoody/ Ultra-Trail Kosciuszko https://kosciuszko.utmb.world/WA Tauranga Half at https://mountfestival.kiwi/events/tauranga-half/ Hexis at https://www.hexis.live/ IRONMAN Western Australia at https://www.ironman.com/races/im-western-australia

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• #645 - NIX Hydration Biosensors. Tri News and Race Reviews

  Tim prepares for GODZONE. We catch up on the racing from the weekend plus we look ahead to the T100 Qatar start list. Meridith Cass is the Founder and CEO of Nix Biosensors, a company that develops wearable sensors to monitor hydration by measuring sweat. The Nix Biosensor provides real-time data on sweat loss, electrolyte loss, and sweat composition to help athletes and others optimize hydration for performance and health. In this conversation, Tim Brazier and Meridith Cass delve into the science of sweat and hydration, discussing the Nix Hydration Biosensor. They explore the importance of accurate hydration monitoring for athletes, the variability in sweat loss and the implications of dehydration on performance. Meridith shares insights on how the biosensor functions, its accuracy, and the significance of electrolyte balance. The discussion also touches on the future of hydration technology and its applications beyond endurance sports. (0:00:00) – Tim prepares for Godzone (0:17:12) – Laguna Phuket Tri (0:20:25) – Start list for Qatar (0:23:29) – IRONMAN Cozumel (0:28:05) – Hydration and racing in the heat (0:37:22) – NIX Biosensors LINKS: Nix Biosensors at https://nixbiosensors.com/ Godzone Adventure Race at https://godzoneadventure.com/ Laguna Phuket Triathlon at https://www.lagunaphukettri.com/ IRONMAN Cozumel at https://www.ironman.com/races/im-cozumel Alan McCubbin study "Sodium intake for athletes before, during and after exercise: review and recommendations" at https://performancenutrition.biomedcentral.com/articles/10.1186/s44410-025-00011-9 Buy the Nix Biosensor from Infinit Nutrition Australia at https://www.infinitnutrition.com.au/nix-hydration-biosensor T100 Qatar at https://t100triathlon.com/qatar/participate/

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• #644 - Jack Moody. Tri News and Race Reviews

  Auckland-based professional triathlete Jack Moody broke the tape at the Queenstown Marathon in 2:25:02, posting a new men's course record by more than a minute. We chat to Jack about his race. IRONMAN make changes to their World Championship qualification system. Clare Fitzpatrick won a free race entry to the IRONMAN 70.3 in Melbourne. We find out how her day went. We catch up on the racing from the weekend including the race management issues arising from the T100 in Dubai. (0:06:06) – Jack Moody (0:03:07) – IRONMAN Arizona (0:25:48) – IRONMAN Qualification System (0:31:59) – Clare Fitzpatrick (0:42:21) – T100 Dubai LINKS: Follow Jack Moody on Instagram at https://www.instagram.com/jacktmoody/ Queenstown Marathon at https://queenstown-marathon.co.nz/ IRONMAN Arizona at https://www.ironman.com/races/im-arizona IRONMAN 70.3 Melbourne at https://www.ironman.com/races/im703-melbourne T100 Dubai at https://t100triathlon.com/dubai/pro/

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• #643 - IRONMAN 70.3 World Champs 2025

  We review the racing from the IRONMAN 70.3 World Champs at the weekend. We chat to Susan Phillips, winner of the free race entry to the Garmin Noosa Triathlon. (0:08:05) – Susan Phillips (0:03:07) – IRONMAN 70.3 World Champs Women's race (0:27:49) – Women's post race press conference (0:46:45) – IRONMAN 70.3 World Champs Men's race (1:00:04) – Men's post race press conference LINKS: Garmin Noosa Triathlon at https://noosatri.com.au/ IM703 Melbourne at https://www.ironman.com/races/im703-melbourne IRONMAN 70.3 World Champs at https://www.ironman.com/races/im703-world-championship-2025

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