How hot is too hot for you to run?

[amandakisser]

Well, this morning I ran in 80* weather and I actually felt pretty good, but there was shade, some wind, and not much humidity. I don't think I'd do much hotter than that.

[ebeth]

I generally consider the temp+dew point to take the humidity into account. If temp+dew point is over 150, I'm not running outdoors.

If it's in the 140s I'm carrying water and trying to stay in the shade.

But really, it's rare that I can't make it through a heat wave with some combination of morning runs and gym time and shifting of planned rest days to avoid running when it's actually 95 out. I'm not an Olympian, it's not that serious, no need to try and be a hero.....

[al320]

Jun 13, 2017 9:49:39 GMT -5 @vtcupcake said:

I'm currently starting heat acclimation* training so I'll get back to this in several weeks.


*not just running when it's stupid hot, like actively subjecting myself to 100+ temps to promote early sweating and productive intake of fluids. No more ac in my car. Hold me.

So, i thought that was a joke on IG.

Girl, youre crazy. And i mean that in the most awe-inspiring way.

[mrhanky]

I've been really struggling with this as it's been hot and humid here. I run earlier than usual to try to avoid the worst of it, but this morning it was already 74 degrees with a ton of humidity by 7am. I won't run if it's much above 80, but I think the humidity level could affect that as well. The hardest part for me is how much my pace slows down (1-2 min/mile below my goal/cool weather speed) in the heat.

[al320]

Jun 13, 2017 12:08:48 GMT -5 @vtcupcake said:

Jun 13, 2017 11:48:59 GMT -5 al320 said:

So, i thought that was a joke on IG.

Girl, youre crazy. And i mean that in the most awe-inspiring way.

I think this is batshit too. But if it helps me race better in the heat, bring it.

Glad you recognize it lol

[wambam]

H&F: where we're all bat shit crazy, but at least we're self aware about it.

[jreeds]

Jun 13, 2017 12:15:51 GMT -5 wambam said:

H&F: where we're all bat shit crazy, but at least we're self aware about it.

I need a love button for this, lol

[scm1011]

I'm a heat wimp. Running when the temps are in the 90s is a hard no. If its in the 80s, but the humidity isn't high and I can run someplace without direct sunlight I'll suffer through it. I started my long runs super early last marathon cycle to avoid the heat.

[itsme]

I hate running in the heat so in the mid 80s is my limit although I have been out in worse. I live in a desert and that sun kicks my ass. I now run in the early early morning to avoid the heat.

[mrshandy]

Jun 13, 2017 9:49:39 GMT -5 @vtcupcake said:

I'm currently starting heat acclimation* training so I'll get back to this in several weeks.


*not just running when it's stupid hot, like actively subjecting myself to 100+ temps to promote early sweating and productive intake of fluids. No more ac in my car. Hold me.

In my younger days, I survived a summer in FL with a car with no AC. Of course I had my windows open. Can you open your windows at least?

This is really interesting. I'm curious how it works for you. 

[libbygrl109]

My body does not handle heat well. Humidity is even worse. That being said, I will do up to the mid 80s if the humidity is low and I will be able to get some shade. If it's a race or something that I have no choice but to do it outside, I'll do it in any conditions, I'll just know that it will completely suck the entire time.

[sweetptater]

I die in heat. And by heat I mean anything over 75. I got up at 5 this morning to run while it was still 70, since this week is in the 90s.

I'm going to have to suck it up and figure out how to make it work though. I'm pretty sure taking the summer off isn't the way this running thing is done.

[taratru]

Jun 13, 2017 11:23:21 GMT -5 ebeth said:

I generally consider the temp+dew point to take the humidity into account. If temp+dew point is over 150, I'm not running outdoors.

If it's in the 140s I'm carrying water and trying to stay in the shade.

But really, it's rare that I can't make it through a heat wave with some combination of morning runs and gym time and shifting of planned rest days to avoid running when it's actually 95 out. I'm not an Olympian, it's not that serious, no need to try and be a hero.....

This is a brilliant formula.

[al320]

Jun 13, 2017 14:53:23 GMT -5 @vtcupcake said:

Jun 13, 2017 14:42:28 GMT -5 mrshandy said:

In my younger days, I survived a summer in FL with a car with no AC. Of course I had my windows open. Can you open your windows at least?

This is really interesting. I'm curious how it works for you. 

My coach is an exercise science nerd, which is one of eleventy billion reasons why I love him, and he was describing how your body circulates fluids not just through intake but through sweating out too. So in the heat your body will not effectively sweat as much because it knows it's trying to retain fluids, and on the back end your gut won't be receptive to taking in more fluids (hence that "sloshing" you get when it's hot and you're trying to guzzle water). So if you train your body to sweat earlier and effectively, you can trick your system into accepting those fluids to replenish the sweat and have both the sweat do it's thing (cool the body) and the liquids do theirs (get to the active muscles).

So for me? This means 30-45min in the sauna after every swim, no matter which workout I have after, and no ac in the car on the other days. The goal is to trigger the body to start sweating immediately.

My coach raced Eagleman on Sunday, when it was Oh Shit degrees outside, and said the heat didn't affect him. I'll report back after Muncie in July.

What if, totally hypothetically*, one might be one of those people that starts to sweat profusely the second they start exercising, if its above, say 65? But, like, never ever acclimates to the heat?


*its possible im talking about myself

Eta id die well before hitting the 30 min mark in a sauna.

[secretlyevil]

Ugh...low 80s but with our humidity it feels much worse.

ETA: I use ebeth's formula. My coach told me about it last year and now every time I use it, I wince.

[labbie]

Jun 13, 2017 14:53:23 GMT -5 @vtcupcake said:

Jun 13, 2017 14:42:28 GMT -5 mrshandy said:

In my younger days, I survived a summer in FL with a car with no AC. Of course I had my windows open. Can you open your windows at least?

This is really interesting. I'm curious how it works for you. 

My coach is an exercise science nerd, which is one of eleventy billion reasons why I love him, and he was describing how your body circulates fluids not just through intake but through sweating out too. So in the heat your body will not effectively sweat as much because it knows it's trying to retain fluids, and on the back end your gut won't be receptive to taking in more fluids (hence that "sloshing" you get when it's hot and you're trying to guzzle water). So if you train your body to sweat earlier and effectively, you can trick your system into accepting those fluids to replenish the sweat and have both the sweat do it's thing (cool the body) and the liquids do theirs (get to the active muscles).

So for me? This means 30-45min in the sauna after every swim, no matter which workout I have after, and no ac in the car on the other days. The goal is to trigger the body to start sweating immediately.

My coach raced Eagleman on Sunday, when it was Oh Shit degrees outside, and said the heat didn't affect him. I'll report back after Muncie in July.

This is fascinating and I'm curious to hear back how it works for you. 

[Wines Not Whines]

Jun 13, 2017 19:28:36 GMT -5 al320 said:

Jun 13, 2017 14:53:23 GMT -5 @vtcupcake said:

My coach is an exercise science nerd, which is one of eleventy billion reasons why I love him, and he was describing how your body circulates fluids not just through intake but through sweating out too. So in the heat your body will not effectively sweat as much because it knows it's trying to retain fluids, and on the back end your gut won't be receptive to taking in more fluids (hence that "sloshing" you get when it's hot and you're trying to guzzle water). So if you train your body to sweat earlier and effectively, you can trick your system into accepting those fluids to replenish the sweat and have both the sweat do it's thing (cool the body) and the liquids do theirs (get to the active muscles).

So for me? This means 30-45min in the sauna after every swim, no matter which workout I have after, and no ac in the car on the other days. The goal is to trigger the body to start sweating immediately.

My coach raced Eagleman on Sunday, when it was Oh Shit degrees outside, and said the heat didn't affect him. I'll report back after Muncie in July.

What if, totally hypothetically*, one might be one of those people that starts to sweat profusely the second they start exercising, if its above, say 65? But, like, never ever acclimates to the heat?


*its possible im talking about myself

Eta id die well before hitting the 30 min mark in a sauna.

I'm the same. I've heard/read that it's supposed to be good if you start sweating early, because it means your body is good at cooling itself. But I think I'm one of the outliers who just gets overheated very quickly. I also get cold easily. I have a very small temperature range where I'm comfortable. It sucks.

[Deleted]

@vtcupcake, although I rarely apply good sense, much less any science to my training, your approach fascinates me. Please add me to the list of curious folk that want you to report back on this. I struggle to run in the heat despite my Australian upbringing, so I am very keen to know if this works.

[hannahb]

I love the heat!