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WHOOP Podcast

How to Cross-Train with Ironman World Champion Lucy Charles-Barclay

WHOOP Podcast

WHOOP

Recovery, Health, Life Sciences, Data, Optimize Performance, Science, Hrv, Fitness, Wearable, Health & Fitness, Sports, Strain, Whoop, Sleep

4.6690 Ratings

🗓️ 13 August 2025

⏱️ 45 minutes

🧾️ Download transcript

Summary

On this month’s installment of the How To Series, WHOOP Director of Sports Marketing, Jeremy Powers, sits down with Ironman World Champion, Lucy Charles-Barclay, to explore what it takes to train as a hybrid athlete. From her roots as an elite swimmer to dominating the world of triathlon, Lucy shares how she balances high-volume training across swim, bike, and run, while incorporating strength work. Lucy breaks down her training blocks, recovery strategies, and using WHOOP to stay consistent ...

Transcript

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0:00.0

Traathlon is the ultimate balance in act. You've got three disciplines and you can't put full focus into all three at once. I think it's really important to have periods of time where, okay, in this period of time, I'm really going to focus on my cycling and see how much I can lift that up. That doesn't mean you don't swim and run, but you're not so focused on them. You kind of have the baseline amount that you want to hit on those two disciplines and then you spend the time really working on your cycling and seeing how much you can lift that. In triathlon, the bike is the biggest part of the day. Arguably, it's possibly the most important. If you're super fit and strong on the bike, the run's going to take less out of you. It's about breaking it down. Hey everyone, I'm Jeremy Powers.

0:38.3

Welcome back to the Woot Podcast.

0:40.0

Today, we're sitting down with the big champion in the world of triathlon.

0:43.9

We're here with Lucy Charles Barclay, former elite swimmer, who turned her attention to

0:48.8

triathlon and has been on a tear ever since.

0:51.8

In 2023, Lucy took the title at the Iron Man World Championship

0:55.5

in Kona with one of the strongest swim bike run combos in the sport. If you fall along on her

1:01.2

YouTube channel, she trains like someone who genuinely enjoys pain, which I'm amazed and slightly

1:06.7

scared of. But we're here today to talk about training, mindset recovery, and of course, some of

1:12.5

her incredible whoop data. So, Lucy, welcome to the show. Thank you so much for having me.

1:17.0

I'm really excited to be here today. So one of the things we do on the Whoop podcast is some ice

1:22.6

some ice breakers, some fast questions. So this is a serious, serious business. So on this, you can only answer yes or no or true

1:30.2

or false. Okay. All right. So first question is very whoop related. So your average daily

1:37.3

whoop strain is nearly 60% higher than your peers. True or false? I want to say true.

1:46.0

This is true. Yes. Of course. 18.3 strain versus an average of 9.8 for...

1:51.0

Wow.

1:52.0

It's pretty big.

1:53.0

I have to be honest, I was really impressed by the 18.3.

1:55.0

This kind of blew my mind to be totally honest, but let's keep going.

1:59.0

So true or false, your resting heart rate is 63 BPM,

2:04.1

which is the average for women your age. I think false. That is, you're also right, Ding. Yours is

2:11.1

39BPM resting heart rate, which is 46% lower than your peers. All right, true or false, you average less sleep per

...

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