Triathlon Nutrition Blog

World Champion Matthew Hauser: Inside the Life of an Elite Triathlete Feb 06, 2026

What does a typical day look like for a world champion triathlete? How do they fuel, train, and balance it all? For age-groupers trying to juggle work, family, and training, it can feel like pros are in another universe. But there’s so much we can learn from the habits and mindset of elite athletes ...

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How Proper Nutrition Transformed These Three Triathletes’ Performance Jan 30, 2026

Training Hard but Still Underperforming?

If you’re putting in the work with your training - ticking off sessions, following a plan, even working with a coach - but still feel like something’s missing, you’re not alone.

Nutrition is often the missing link for age group triathletes. Most train like ...

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How a Time-Crunched ER Doctor Slashed 65 Minutes Off His Ironman PB Jan 23, 2026

If you're training hard but not seeing the results you deserve, Edward Walsh's story is about to light a fire under you.

Edward is no average age group triathlete. He's a full-time emergency physician juggling 12-hour night shifts, on-call chaos and family life - yet he still managed to take 65 min...

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Why AI and Nutrition Apps Aren’t Enough for Triathletes Jan 16, 2026

Are You Outsourcing Your Nutrition to AI?

If you're a time-poor triathlete juggling training, work and life, it's tempting to let an app or AI tool do the thinking for you. From macro calculators to pre-loaded meal plans, these tools promise simplicity and structure - two things every busy athlete ...

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From Zero to Ironman in Five Months Jan 09, 2026

Triathletes are no strangers to going all in. But what happens when you throw yourself into Ironman training with zero experience and think you can out-train a poor diet?

This is exactly what Daniel Walker did. In true Type A style, Dan went from never having done a triathlon to crossing the Ironma...

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n=1 The Power of Personalised Nutrition for Triathletes Jan 02, 2026

Triathletes, you train hard, invest in gear and follow structured programs, yet you might still be underperforming on race day. Why? Because you're relying on generic nutrition advice that doesn’t match your unique physiology.

This blog dives into the power of "N=1" – the scientific principle that ...

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How Brian Fuelled a 45-Minute 70.3 PB Through Total Life Chaos Dec 12, 2025

Are you a time-poor triathlete juggling family, work and training?

Meet Brian Joseph – a full-time professional, dad of three and Triathlon Nutrition Academy (TNA) graduate who recently shaved 45 minutes off his 70.3 PB. All while navigating a year of sleep deprivation, sick kids and a wife travell...

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GLP-1s and Endurance Performance: What Athletes Need to Know Dec 10, 2025

GLP-1 receptor agonists like semaglutide (Ozempic, Wegovy) have quickly gained attention for their dramatic effects on weight loss and appetite control. But what happens when these medications enter the world of endurance sport? For triathletes and other athletes training long hours and pushing perf...

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Seven Tips to Navigate Alcohol and the Festive Season Without Sabotaging Your Performance Dec 05, 2025
 Triathletes, don’t let silly season slip-ups undo all your hard work

It’s that time of year again. Race season is in full swing here in Australia, and the Christmas parties are coming in hot. Meanwhile, our northern hemisphere triathletes are deep into off-season base building or burie...

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Iron Cowboy: What It Takes to Do 100 Ironmans in 100 Days Nov 28, 2025

If you're a triathlete, you've likely heard of James Lawrence — aka the Iron Cowboy. Completing one Ironman is impressive. Doing 100 of them, on 100 consecutive days? That's next-level bonkers.

But what does it actually take to fuel such a feat? And what can everyday age group triathletes learn fro...

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How to Train and Perform with Type 1 Diabetes: What Every Triathlete Needs to Know Nov 21, 2025

Training with Type 1 Diabetes? Here's What You Need to Know

For triathletes living with type 1 diabetes (T1D), training isn’t just about nailing swim-bike-run. There’s a fourth leg that adds another layer of complexity: glucose management.

This blog dives into key takeaways from Episode 216 of the...

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Meet Kelly Estes – Chief Operating Officer at Dietitian Approved Nov 17, 2025

A new chapter for Dietitian Approved.

We’re thrilled to share some exciting news! Kelly Estes has joined Dietitian Approved as our Chief Operating Officer (COO).

Kelly isn’t new to our community. He’s a Triathlon Nutrition Academy alumnus and passionate advocate for triathlon nutrition education. ...

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