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That Triathlon Show

The new Kona and 70.3 Worlds qualification system with Russ Cox | EP#467

That Triathlon Show

Mikael Eriksson

Health, Swimming, Endurancesports, Run, Cycling, Health & Fitness, Fitness, Ironman, Swim, Bike, Sports, Running, Sportscience, Triathlon

4.9596 Ratings

🗓️ 30 July 2025

⏱️ 69 minutes

🧾️ Download transcript

Summary

Russ Cox is the man with the data when it comes to Kona and 70.3 Worlds qualification. In this episode we discuss the new qualification system announced by Ironman in July 2025, and the implications for athletes wanting to qualify.

Transcript

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0:00.0

Welcome to Episode 467 of That Triathlon Show, the podcast presented by Scientific Traathlon.com.

0:30.5

My name is Michael Erikson, and today I interview Coach Russ Cox.

0:34.0

Ross is well known among a niche audience of athletes and coaches who are trying to optimize

0:38.1

chances for Kona qualification and 73 World's qualification.

0:42.7

He was first on that Trafflon show already back in late 2017 and returns today almost

0:48.6

eight years later to discuss the newly updated Kona and 703 World's qualification systems

0:53.9

that were announced by Iron Man in early July.

0:57.2

So we'll cover exactly how this system works.

1:00.3

The pros and cons.

1:01.6

We'll speculate a bit on what things might look like.

1:04.4

But most importantly, we'll discuss what it means for athletes who are looking to qualify.

1:08.8

What should you do in terms of race selection,

1:11.4

can you make any kind of predictions regarding times needed to qualify, etc.

1:16.1

But before we get into the interview, big thanks to our sponsors, precision fuel and hydration.

1:20.8

They create carbohydrate and electrolyte products to help you fuel and hydrate your training

1:24.5

and racing optimally.

1:26.0

And they do that by having high quality

1:28.2

products that make fueling and hydrating really seamless. They're very practical and they can be

1:33.5

used in all sorts of endurance sports use cases. I haven't mentioned the precision fuel and hydration

1:38.5

blog in a while, so I want to give you a quick shout out because there you can find really good

1:42.5

in-depth content.

1:46.7

This is under performance advice on their website.

...

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