246. “No Secrets” Q+A on World Records, Kilian’s Fasted Workout, Health v. Performance, Wild Probiotics Studies, Applying Heart Rate Zones, Zone 2, and More!

Some Work, All Play

David Roche and Megan Roche

Sports, Running

4.8 • 1.4K Ratings

🗓️ 18 February 2025

⏱️ 95 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

We bought stock in baking soda before this record-breaking episode! It was a "No Secrets" Q+A, where we lay it all on the line. This one was so fun!

The first big question was on the deluge of world records set in the last week. Our theory is that compound gains are being harnessed from nutrition, supplements, and shoes that are changing how athletes can train and adapt across all endurance sports. We break down the shifts in training theory, and predict what comes next.

Next was a question about Kilian Jornet’s fasted workout and the theory behind it (and why we don’t recommend it). One fascinating wrinkle is how he took high-dose probiotics before the session. We use that as an excuse to dive into the wild world of probiotics science, where research breakthroughs are happening all the time.

Other Q+A topics: health v. performance, roads v. trails, encouraging a partner to fuel more, heart rate zones, visualization, zone 2 training, and more!

We love you all! Huzzah!

-Megan and David

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Transcript

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0:00.0	Woo!
0:01.0	Woo! Welcome to the SunWork All Play podcast. We are so happy with you today. Happy Tuesday.
0:05.1	It's Tuesday. And I got caffeine coursing through my veins on this Tuesday.
0:08.6	Ooh, how much caffeine?
0:09.9	I'm talking a big game, and it's actually kind of a small number in terms of David Roachterms.
0:14.1	I got half a Coke and half a precision calf gel. So maybe 100 milligrams.
0:18.4	Oh, that counts. That adds up. I like it. You're giving me, you're throwing me a thought.
0:21.6	We're just trying to be uplifting here.
0:23.8	Yeah, I think caffeine is so important for the podcast and so important for training.
0:27.9	One of the big places I've come around is just strategic dosing of caffeine is game changing.
0:33.4	So I'm very, very happy you're on that precision 100 milligram caffeine game.
0:36.7	Well, it feels good. It's also very helpful for context shifting.
0:39.3	So a lot of times in podcasting right now, we go from parenting and child care.
0:43.2	And then three minutes later, we're podcasting.
0:45.4	And I feel like the best way to make that transition is just to pound a calf gel.
0:49.2	How does it make you feel?
0:50.7	Good, actually. There's something about the taste of it that within a few seconds,
0:54.3	I'm like, I'm seeing glitter and rainbows and I'm like, it's time to go.
0:58.0	It's like your strobe lights, hits your tongue, and all of a sudden it's a hallucinogenic experience
1:02.3	from a little bit of caffeine. Yeah, simply from just having the taste of rocket fuel on my tongue,
1:06.7	the ultimate, I feel like I'm just describing the ultimate placebo effect. Yeah, you are really subject
1:11.4	to the placebo effect for caffeine. It's kind of wild. Who's more subject to you or me? Not for caffeine
	...

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