Three Fuelling Changes That Fixed 8 Years of Race-Day Gut Issues

Race-day gut issues followed Marie Stevenson through 8 years of triathlon, and she’s a family doctor. So how did she race the IRONMAN 70.3 World Championship in Nice without them? Marie is a family doctor from Calgary, Canada, who has been racing triathlon for 17 years. She thought her nutrition w…

How to Fuel a Hot Race Without Falling Apart on the Run

Two of the best triathletes on the planet came undone in the Kona heat in back-to-back years, so how do you fuel a hot race without falling apart on the run? After two decades of working with triathletes, I can tell you that most hot races are won or lost before the gun even goes off. As an age-gr…

How Masters Triathletes Can Stay Fast After 50 with Joe Friel

Are you still training like you did in your 20s, going hard every session and wondering why recovery takes so much longer than it used to? This is one of the most listened-to episodes of the Triathlon Nutrition Academy podcast, back by popular demand. I sat down with coach Joe Friel, co-founder of…

Three Questions Holding Triathletes Back From Dialling In Their Nutrition

Why is your triathlon nutrition strategy still not working when you already know what to do? I asked the triathletes who just finished my Triathlon Fuel Camp what they had spent money on to improve their performance. 70% had paid for a bike fit, 66% had a coach and 50% had bought a power meter and…

The Triathlon Nutrition Academy in Under 10 Minutes

If you have heard about the Triathlon Nutrition Academy and wondered what it actually is, this is your answer in under 10 minutes. You already have a training system. You have a coach or a program, a week of sessions you love to turn green and the discipline to follow it. What most triathletes don…

He Ate 1,000 More Calories a Day and Lost 8kg: What 9 Months of Triathlon Nutrition Actually Changes

What happens when you eat 1,000 more calories a day? For Curt, a 54 year old triathlete from Texas, it meant losing 8kg, ditching the daily nap and finally making it through a training day without bonking. That is not a typo, and it is not a fluke. Nine months ago, three brand new Triathlon Nutrit…

How to Gain Muscle While Losing Body Fat

Can you gain muscle while losing body fat at the same time, or is body recomposition just a clickbait headline?   For years the advice has been that you have to pick one. Eat in a calorie deficit and lose body fat, or eat in a calorie surplus and build muscle. A brand new study published in the E…

How 5 Masters Triathletes Fuelled the Hilliest 70.3 in the World

What does it take to fuel the hilliest 70.3 in the world? Six Triathlon Nutrition Academy athletes lined up at the IRONMAN 70.3 World Championship in Nice, France on 12 and 13 September 2026. A 1.9km swim in the Mediterranean, 90km on the bike with around 1190m of climbing, a long grind up the Col…

The Next 4 Things I'd Fix If You Were My Athlete

Most triathletes are working their nutrition list backwards. They start at number eight and skip one through seven entirely. In Episode 229 I walked you through the first four things I fix with every triathlete I work with. The big rocks. This is Part 2, and it picks up at number five. If you have…

How to Fuel an Ironman When You've Only Ever Raced 70.3

You can get away with a fuelling gap over five hours. You cannot get away with it over 13. Stepping up from 70.3 to Ironman is the exact moment most triathletes work out that their fuelling needs attention. Julie Whitton is 13 weeks out from Ironman Western Australia, her first full distance race …