Physiological Profiling Explained - Why, How, and Important Training Implications for Triathletes

That Triathlon Show

Mikael Eriksson

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

4.9 • 596 Ratings

🗓️ 5 March 2026

⏱️ 68 minutes

🔗️ Recording | iTunes | RSS

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Summary

Physiological profiling is often the missing link in amateur triathletes’ training programs. Knowing your profile on a scale from very endurance based (slow twitch phenotype) to very explosive (fast twitch phenotype) can help you avoid costly mistakes and break through plateaus in your triathlon training through better individualisation. In this episode, we discuss the ins and outs of this topic, from how to correctly profile an athlete without misinterpretation or overinterpretation, to important training implications for different athlete profiles.

Transcript

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0:00.0	Welcome to That Traflon Show, the podcast presented by Scientific Traflon and hosted by me, Michael Erikson.
0:15.8	And I'm together with Jack Hutchins again. Jack, welcome back. How are you doing?
0:22.4	Hey, Michael. Thanks a lot for having me. I'm good. Thank you. I've been out on the bite today. Lovely day for it. How are you doing?
0:27.5	Very good. Thank you. I've been in the pool. Not swimming though. It was a baby swim. So that was
0:32.7	a lot of fun. But like I told you before, the logistics of that, at least for the first time,
0:38.6	was probably as hard as doing a triathlon.
0:42.2	So that's my experience of it.
0:44.3	But it was a lot of fun.
0:45.2	I really enjoyed that.
0:46.7	Today's topic that we have in store is around athlete profiling and specifically
0:51.5	physiological profiling.
0:53.0	So maybe a nice appetizer to get into that
0:56.8	topic is I want to ask you what is your physiological profile? How do you see yourself? And how does
1:05.1	that influence the way you train or other aspects of your performance. Yeah, good question.
1:11.6	I just wanted to touch on you didn't have the baby doing 10,400s in the pool.
1:16.1	Yeah, hopefully not too long for him.
1:18.9	But yeah, so myself as a profile, I come from a track running background where I was not
1:26.6	really suited to at the time, but I did a lot
1:29.1	of lactate work and I became very glycolytic. So therefore, I came to triathlon with a very fast
1:35.2	switch profile and I responded very well to a lot of tempo work, which I guess had been missing
1:40.8	from my training from kind of the 800 specific training that I was doing.
1:45.9	But since then I found my more, I guess, natural profile, genetic profile is more of a kind of
	...

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