182: You Can't Cheat the Marathon — Eric Floberg's 8-Year Journey to 2:29

**Nick Bare** (0:00)
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Ladies and gentlemen, today on the podcast, we have Eric Floberg. What's up?

**Eric Floberg** (1:41)
Very excited to be here.

**Nick Bare** (1:42)
Thanks for being here.

**Eric Floberg** (1:42)
Yeah, happy to be.

**Nick Bare** (1:44)
So you hit a workout this morning.

**Eric Floberg** (1:45)
Did.

**Nick Bare** (1:46)
What was it?

**Eric Floberg** (1:47)
It was a lot of volume. It was two up.
It was programmed as two by three mile, all 400 meter jaw grass in between, and then two by mile after that. Three mile sections at about marathon pace. The mile repeats at the end at about half marathon pace.

**Nick Bare** (2:06)
What is marathon pace right now?

**Eric Floberg** (2:09)
I mean, it's hard with like acclimating to heat, and then, well, I definitely went out too fast on the first set, thinking I could probably retain goal marathon pace for this fall, but that's floating right around 540 a mile, and yeah, I adjusted it halfway through because I hit the first set a bit too hot.
Like high 530s to mid 530s, and then was like, I got to salvage this, so just broke it up a bit like I typically do in that scenario. So yeah, did a two-mile chunk and then three-by-mile instead, with some walk rests instead of jog rests. So this is the first time I hit heat in like six months. So you come off of Chicago, you come off of summer training, and then you have essentially six months of all the way to deep freeze and then back up to like perfect marathon training weather through the spring and then slapped in the face. Because right now it's high of 95 back in Chicago.

**Nick Bare** (3:04)
But no humidity.

**Eric Floberg** (3:05)
Lot of humidity.

**Nick Bare** (3:06)
Oh, it is humid.

**Eric Floberg** (3:06)
So it's basically the same. But I didn't experience it yet. I hadn't done a midweek workout yet. So this was the first time in a very long time.

**Nick Bare** (3:14)
Yeah, I naturally get really lean in the summer here. Just from the amount of sweat from these workouts. I do my morning run right now.
My average morning run is 6 miles. I get back and I'm absolutely soaked. And I hop right in the sauna for 10 minutes. And I probably lose 7 to 8 pounds in the morning.

**Eric Floberg** (3:38)
And you're just naturally a heavy sweater too.

**Nick Bare** (3:41)
Salty sweater too. Have you ever done a sweat test?

**Eric Floberg** (3:45)
I feel like I need to do all the tests. I've never done any of the... I don't think I've ever done a proper blood test or a sweat test. I think the sweat test would be real helpful for me. Because I'm a decently heavy sweater as well.
But yeah, when I was tracking weight and macros last fall, I was noticing the same in the summer training with a handful of pounds lost on each one. Especially on the big volume Wednesday workouts.

**Nick Bare** (4:11)
The sweat tests are interesting. I haven't done one for maybe five years. But I remember when I did it, and I should do another one soon.
It's a process where you weigh yourself before and after. You record that data. You record the temperature, the humidity, the dew point of that day or morning. How much liquid you consumed during the session. And then you put this patch in the test that I did. It was like this patch you put on your arm.
And then after the workout is done, you stuff it in this tube and you send it for analysis. And I believe I did this test in like June or July. And it was during a speed workout with Jeff and his crew on the East Side Loop in Austin. And I think the results came back, I lost like 2,500 milligrams of sodium per hour.