How Hot Is It Racing At The Ironman World Champs?! | GTN Does Science!
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- čas přidán 13. 10. 2023
- It’s really hot & humid in Kona, a far cry from the dull grey British weather, but how different really is it for athletes to deal with on race day?! With the help of @precisionfandh Heather compares sweat loss between the two locations and what it would mean for performance!
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7:01 "If you're going to drink something, weigh yourself holding the bottle." So simple that it's genius.
Thanks Emily, Andy and Heather.
Very Interesting video. Fuel and Hydration for me always tricky. I constantly try different things in training. Now lets see how race day goes. Of course I am just an age grouper but always want to preform well in my own race. Cheers
Well done! Great info!
Great experiment Heather and Emily😊
Very informative thank you
Brilliant video learned loads 👍
Glad you enjoyed it - is there anything else you'd like to see from us?
lets go !!!!
Intesting video,as last Sunday ran a cross country in 24oC heat, 2:06 and I noticed how long after drinking before intended to go to the toilet.
Be interesting to see how I feel after Half Marathon this Sunday in cooler weather.
Great video! Andy cut his hair so I almost didn't recognize him after he took off the hat!
As a Texan, once aclimated 90F is tolerable, 100 is like an oven, and 108 highs are comical, and then I remember deserts exist with 120F weather so I am good 😆.
Great video, but could you please cover how you knew about the salt content of the sweat please?
Covered in a previous GTN video, linked in the description.
How did you determine the amount of salt you'd lost in your sweat?
From a previous video
It’s precision hydrations business, they have patches you can order to measure your sodium loss
Also some tri/cycling/running stores do sweat testing. Playtri near me does sweat testing for $100
GTN have a previous video on this, linked in the description.
you wore a cap in the Uk and no cap in Kona 😮? therefore not entirely like for like ?
So to avoid hyponatremia, and dehydration, would it be best to always hydrate with something like nuun electrolytes during workout, as opposed to plain water? I can’t stomach super sugary stuff like Gatorade or Powerade, but slightly flavored stuff works for me.
When you calculated the pre/post run weight differences, did you also account for the amount of water consumed in both runs? Did you consume the same amount of hydration in both runs?
7:01 "If you're going to drink something, weigh yourself holding the bottle."
My strategy has been to drink when thirsty and take on enough fuel and salt not to bonk or cramp and I thought that was good enough. Now I see it could be sub-optimal and there could be room for improvement if I put time and energy into refinement. I personally don’t do well in really hot weather and regardless of the amount of water, salt, and carbs I take on my performance suffers dramatically even though I would rank myself as a heavy sweater. What defines the upper temperature/humidity limits for good performance?
If u feel thirsty u already dehydrated
Ah, the dolphin in the sea :)
Which brand of sunglasses are you wearing?
Alternate title: 20 minutes 54 seconds of Heather needing a pee! Fascinating video, thank you for doing the science.
What type of 100% sunglasses are you wearing Heather?
Traitletes life - sweat and wet
My sweat rate in the gym is easily 1.5L an hour but I need to find my salt rate.... 🤔👍
Wearing the same clothes in two different climate zones may seem unfair. You would not wear shorts & a t-shirt in Finland in Januari jogging through knee deep snow.