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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Going out for a run without water

90 replies

AliceAbsolum · 25/06/2026 10:02

Shock horror.

If I don't post in an hour you'll know I've died of heatstroke eye roll

OP posts:
NaiceCupOTea · 25/06/2026 12:03

Fair play OP. I went out at 8.45 and it was already showing as being 27 degrees where I am! I only had enough in the tank for 2.5 miles. I hate running in any sort of heat, mentally I really struggle.

But then I am a weirdo who will be in shorts and a vest when its below 5 degrees and still say I get too hot on my runs!

AliceAbsolum · 25/06/2026 11:59

BringBackCatsEyes · 25/06/2026 11:50

How far did you go.
If I was really hydrated and going for a short (3 miles or so) gentle run in the shade I’d be ok.
Anything else would be miserable.
I only ever get tummy trouble when running when it’s really hot - dehydration I guess.

Yes this. I did 5k in the shade.

DH did 11 miles. Was fine.

OP posts:
AliceAbsolum · 25/06/2026 11:59

Dermatologically · 25/06/2026 11:51

What were you hoping to achieve? Why wouldn't you be cautious in this weather? I don't understand.

I just run most days, rain or shine. If you start telling yourself it's too hot too cold to wet ect you'd never go out.

Least I'm thinking of the nhs by keeping healthy! 😁

OP posts:
AliceAbsolum · 25/06/2026 11:58

NotAnotherScarf · 25/06/2026 11:40

I can only say that you are being stupidly selfish...its a major health threat...its not like you're running into a burning building to save a baby. You are putting yourself at risk for what "oh look at me I'm a runner" the NHS is creaking at the seams and people like you who deliberately put themselves at risk are making it worse

Why not pull your arse out of bed at 6am when it was a pleasant 22 degrees and run then...no go out in the full bloody sun....well I hope you're chafed!

Hilarious. You're right I didn't think about the NHS 😂 I did 5k well hydrated kept to the shade and drank water before and afterwards.... Maybe I should have called my local ICU to let them know just in case I needed an admission and they didn't have a bed 😅

OP posts:
BringBackCatsEyes · 25/06/2026 11:51

BauhausOfEliott · 25/06/2026 11:49

As someone who is quite prone to nausea from strenuous exercise, I sympathise.

My dilemma is always trying to balance hydration with the fact that if my stomach's full of water when I start running, I want to heave halfway through!

It’s the day before you need to think about. Making sure you’re fully hydrated well before is preferable to chugging just before you go.

Dermatologically · 25/06/2026 11:51

What were you hoping to achieve? Why wouldn't you be cautious in this weather? I don't understand.

BringBackCatsEyes · 25/06/2026 11:50

How far did you go.
If I was really hydrated and going for a short (3 miles or so) gentle run in the shade I’d be ok.
Anything else would be miserable.
I only ever get tummy trouble when running when it’s really hot - dehydration I guess.

FudgeFudy · 25/06/2026 11:49

NotAnotherScarf · 25/06/2026 11:40

I can only say that you are being stupidly selfish...its a major health threat...its not like you're running into a burning building to save a baby. You are putting yourself at risk for what "oh look at me I'm a runner" the NHS is creaking at the seams and people like you who deliberately put themselves at risk are making it worse

Why not pull your arse out of bed at 6am when it was a pleasant 22 degrees and run then...no go out in the full bloody sun....well I hope you're chafed!

Oh give over. Unless she was running to and fro across the M25 the risk is minimal for somebody that's a regular runner. And for all we know she might be in Thurso.

BauhausOfEliott · 25/06/2026 11:49

AliceAbsolum · 25/06/2026 11:22

Less of a aibu and more me being sarky.

Turns out my HR got up to 180 and I felt quite sick when I got in. So more fool me 😂

As someone who is quite prone to nausea from strenuous exercise, I sympathise.

My dilemma is always trying to balance hydration with the fact that if my stomach's full of water when I start running, I want to heave halfway through!

BauhausOfEliott · 25/06/2026 11:47

NotAnotherScarf · 25/06/2026 11:40

I can only say that you are being stupidly selfish...its a major health threat...its not like you're running into a burning building to save a baby. You are putting yourself at risk for what "oh look at me I'm a runner" the NHS is creaking at the seams and people like you who deliberately put themselves at risk are making it worse

Why not pull your arse out of bed at 6am when it was a pleasant 22 degrees and run then...no go out in the full bloody sun....well I hope you're chafed!

She probably overheated less through running than you did typing that rant. Calm down, mate. You sound like you've got steam coming out of your ears.

If she was out for two hours then yes, obviously water is required. But if it was a 30 minute run and she was properly hydrated at the start, and drank water as soon as she'd finished, she's highly unlikely to be at risk of collapse.

NotAnotherScarf · 25/06/2026 11:40

I can only say that you are being stupidly selfish...its a major health threat...its not like you're running into a burning building to save a baby. You are putting yourself at risk for what "oh look at me I'm a runner" the NHS is creaking at the seams and people like you who deliberately put themselves at risk are making it worse

Why not pull your arse out of bed at 6am when it was a pleasant 22 degrees and run then...no go out in the full bloody sun....well I hope you're chafed!

AliceAbsolum · 25/06/2026 11:22

Less of a aibu and more me being sarky.

Turns out my HR got up to 180 and I felt quite sick when I got in. So more fool me 😂

OP posts:
BauhausOfEliott · 25/06/2026 11:16

OK. And?

Unless you're going to be out for hours, you're unlikely to need it.

GasPanic · 25/06/2026 10:07

I used to do it all the time. Didn't cause me any issues. On a very hot day did take the occassional diversion via a tap though and always had a couple of quid on me to buy something if necessary.

Then there are people that run around with a water bottle permanently in hand, and a reserve 2 strapped to their backs just in case.

A hat is probably more important on a hot day if you can't keep to the shade.

mindutopia · 25/06/2026 10:05

I never take water with me for less than an hour. It really annoys me to carry it.

That said, I am going on an 8 mile hilly hike this afternoon (about 3.5 hours walking time) and am carrying 3 litres plus electrolytes.