
Fitter Radio Triathlon Podcast
Hosted by Coaches Bevan McKinnon and Tim Brazier, Fitter Radio brings together their shared passion and knowledge of triathlon, running, nutrition and basically all things endurance! Listen to the latest research, interviews with pro athletes and leading experts to help you improve your sports performance and your health!
Latest episodes

May 19, 2025 • 1h 12min
#618 - A Weekend of Racing. Alex Yee.
We catch up on all the racing and news from the weekend. We share an excerpt from the World Triathlon Podcast intervew with Alex Yee post his attempt to test himself over the marathon distance at the London Marathon. (0:01:50) – Bev joins Training Peaks Virtual (0:05:26) – We review all the racing from the weekend. (0:43:03) – Alex Yee – is there an IRONMAN in his future (0:46:12) – Excerpt from the World Triathlon Podcast (1:09.00) – Hayden Wilde update LINKS: World Triathlon Podcast with Alex Yee at https://triathlon.org/news/world-triathlon-podcast-with-alex-yee-marathon-man

May 12, 2025 • 1h 4min
#617 - Steve Allende, Co-Founder and CEO of Plasmaide.
Steve Allende, Co-Founder and CEO of Plasmaide, shares his insights on the company’s significant role in the triathlon community. He discusses their collaboration with elite athletes like Kristian Blummenfelt and Gustav Iden, offering unique training opportunities in Font Romeu, France. Steve emphasizes the importance of evidence-based supplements and highlights the exciting competition for age group athletes to train with the pros. Tune in for a glimpse into the future developments of Plasmaide's innovative products that promise to enhance athletic performance.

May 5, 2025 • 1h 19min
#616 - Prof Alison Heather on Plasmaide.
Dr. Alison Heather, a former academic professor and Chief Scientific Officer for Plasmaide, shares insights into the innovative supplement Plasmaide. She explains its origins, benefits for athletes, and how it enhances nitric oxide production compared to beetroot juice. The conversation highlights the adaptogenic properties of Plasmaide, its role in carbohydrate metabolism, and practical advice for safe usage. Dr. Heather emphasizes consulting healthcare professionals before starting any new supplement regime, ensuring athletes make informed choices for peak performance.

Apr 27, 2025 • 56min
#615 - IRONMAN Texas Race Review. Performance Enhancing Supplements.
We discuss the tri news and review all the racing from the weekend including IRONMAN Texas, Challenge Taiwan and Challenge Gran Canaria. New Zealand blackcurrants have been show to have an impact on endurance performance. We chat to Dr Sam Shepherd to find out more. (0:02:11) – This week IRONMAN Australia Port Macquarie (0:02:50) – Hayden Wilde on a WTCS start list (0:09:41) – Ultro Audio earbuds competition (0:10:27) – Challenge races from the weekend (0:16:23) – IRONMAN Texas race review (0:39:13) – Intro to supplements for performance (0:45:48) – Dr Sam Shepherd LINKS: More about CurraNZ at https://curranz.com/ IRONMAN Texas at https://www.ironman.com/races/im-texas Ultro Audio Earbuds at https://www.ultroaudio.com

Apr 20, 2025 • 1h 8min
#614 - George Gilbert. Technostress. IM Texas
The LA 2028 Olympics has seen changes to the original venue plan, we discuss the potential impact on triathlon. We review the start list at IRONMAN Texas George Gilbert is the VP of Virtual Platforms at TrainingPeaks - he designed, built and brought to market TrainingPeaks Virtual, a new and innovative online cycling application that is defining the future of virtual sport. Tim chats to George Gilbert, about the unique features of the platform designed specifically for cyclists, emphasizing the importance of delivering an experience that includes tactical racing and performance verification. George explains how the platform ensures credibility in athletic performance and the onboarding process for athletes. They also touch on the seamless integration with Training Peaks, the customization options available for users and the importance of community feedback in shaping future developments. Training data – have we become too obsessed with the numbers. (0:01:43) – Change of venue at Olympic Games (0:08:28) – IRONMAN Texas (0:18:70) – Training Peaks Virtual intro (0:21:38) – George Gilbert, Training Peaks (0:49:24) – Technostress LINKS: Training Peaks Virtual at https://www.trainingpeaks.com/virtual/ IRONMAN Texas at https://www.ironman.com/races/im-texas

Apr 12, 2025 • 1h 4min
#613 - Confidence, Nutrition and the Mind
We share an interview from the World Triathlon podcast with Paris 2024 Olympic Triathlon Champion Cassandre Beaugrand! It is a deeply honest chat revealing a little more about just where all the grit, determination and competitive spirit that has taken the 27-year-old to the very top of the sport came from. Charlotte McLauchlan is a Master's student in nutrition and dietetics at Auckland University. In this chat with Bevan she discusses her research on fueling strategies for long-distance triathletes. Charlotte highlights the lack of research in this area, particularly for amateur athletes, and the barriers to accessing proper nutrition education. Charlotte shares her personal experiences with nutrition, body image and the psychological aspects of eating, emphasizing the importance of a multidisciplinary approach to care. She also outlines her upcoming study aimed at assessing the nutritional status of triathletes in New Zealand, inviting participants to contribute to this important research. (0:01:19) – Sweet Cheeks (0:05:41) – Cassandre Beaugrand intro (0:10:16) – Cassandre Beaugrand on the World Triathlon podcast (0:27:36) – Lionel Sanders, confidence and nutrition (0:32:12) – Nutrition study for New Zealand triathletes (0:36:00) – Charlotte McLauchlan LINKS: The World Triathlon Podcast at https://podcasts.apple.com/nz/podcast/the-world-triathlon-podcast/id1517199963 Charlotte McLauchlan can be contacted by email at cmcl126@aucklanduni.ac.nz Sweet Cheeks at https://www.sweetcheeksnz.co.nz/

Apr 7, 2025 • 1h 15min
#612 - Gordo Byrn Part 2. Race reviews from IM703 Oceanside and T100 Singapore.
Gordo Byrn, a former investment banker turned elite ultra-endurance athlete and co-author of 'Going Long', shares insights alongside triathlon coach Rob Hill. They discuss the recent IM703 Oceanside and T100 Singapore races, emphasizing the importance of tailored workouts and the benefits of low-key races for training. Gordo reveals innovative techniques to keep workouts engaging, the need for strategic planning, and how maintaining a fun approach is vital for endurance athletes. Tune in for expert tips on maximizing performance without overtraining!

Mar 31, 2025 • 1h 6min
#611 - Isuzu IRONMAN South Africa. Gordo Byrn.
We catch up on the racing from the Isuzu IRONMAN South Africa at the weekend. Tim chats to Gordo Byrn, a former private equity investment banker, Gordo metamorphosed into an elite ultra-endurance athlete, a student of human performance and an endurance coach. He’s also the co-author of the endurance bible Going Long—an incredible resource for any and all athletes seeking to better understand and apply the principles of endurance. Tim and Gordo Byrn delve into the intricacies of endurance performance, focusing on the concept of post-training syndrome, recovery strategies and the importance of understanding training zones. Gordo emphasizes the need for athletes to manage setbacks effectively, the role of coaching in maintaining a healthy mindset and the significance of lactate testing in optimizing training. The discussion highlights the balance between pushing limits and ensuring recovery, ultimately aiming for sustainable performance improvements. (0:03:41) – Taylor Knibb won’t be in Singapore (0:07:22) – Hell of the West (0:13:30) – IRONMAN South Africa race review (0:23:26) – Gordo Byrn intro (0:26:00) – Gordo Byrn (1:02:00) – T100 Singapore this weekend (1:03:00) – The Cool Bottle competition giveaway LINKS: Follow Gordo Byrn at https://substack.com/@feelthebyrn Follow Taylor Knibb on Insta gram at https://www.instagram.com/taylorknibb/ The Cool Bottle at https://eitech.io/the-cool-bottle/ Interview with Andrew Buckrell at https://www.fitter.co.nz/fitter-radio/2025/1/13/episode-600-andrew-buckrell-phd-the-cool-bottle Hell of the West at https://hellofthewest.com/

Mar 24, 2025 • 1h 4min
#610 - IM703 Geelong. Mental Fatigue Impairs Physical Performance
Dr. Kristy Martin, an Associate Lecturer at the University of Canberra, dives into the intriguing link between mental fatigue and physical performance. She discusses how mental strain can significantly impact an athlete's output, emphasizing the need for mental wellness alongside physical training. Listeners will also discover tips for managing training when feeling mentally exhausted. The conversation gives insight into recent triathlon performances, including impressive showings at IM703 Geelong and the indoor triathlon racing from Lievin.

Mar 17, 2025 • 52min
#609 - FODMAP Diets. Tri News
We catch up on the racing from the Oceania Champs in Devonport at the weekend. We delve into the complexities of athlete nutrition, particularly focusing on gastrointestinal issues and the role of FODMAPs. Tim shares his experiences of his FODMAP journey plus we share an excerpt from the ‘We Do Science’ podcast with Doctor Dana Lis. In this podcast they discuss the physiological challenges athletes face, the importance of gut health and the need for personalized nutrition strategies. They also emphasize the balance between dietary restrictions and nutritional needs and the significance of effective communication in guiding athletes towards optimal performance. (0:00:00) – Oceania Championships Devonport (0:10:31) – This weekend IRONMAN 70.3 Geelong (0:12:50) – This weekend Hell of the West (0:12:27) – This weekend The Whakatipu Legend (0:13:53) – Fitter Coaching Newsletter Competition (0:14:29) – FODMAP diets and Tim’s experiences (0:27:34) – Excerpt from ‘We Do Science’ podcast with Dr Dana Lis LINKS: Devonport race at https://devonporttriathlon.com/oceania-championships/ IRONMAN 70.3 Geelong at https://www.ironman.com/races/im703-geelong We Do Science podcast with Doctor Dana Lis at https://www.wedoscience.com/gluten-free-diets-fodmaps-and-athletes-with-dr-dana-lis/ Hell of the West at https://hellofthewest.com/ The Whakatipu Legend at https://www.thewhakatipulegend.co.nz/ Monash FODMAP app at https://www.monashfodmap.com/ibs-central/i-have-ibs/get-the-app/ Dr Jeff Rothschild at https://jeff-rothschild.netlify.app/