Nike Vaporfly 4% - can these shoes really make you run faster? with Wouter Hoogkamer | EP#179

That Triathlon Show

Mikael Eriksson

Health, Swimming, Endurancesports, Run, Cycling, Health & Fitness, Fitness, Ironman, Swim, Bike, Sports, Running, Sportscience, Triathlon

4.9 • 596 Ratings

🗓️ 29 April 2019

⏱️ 49 minutes

🔗️ Recording | iTunes | RSS

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Summary

The Nike Vaporfly 4% running shoes are supposed to improve running economy by 4%. Wouter Hoogkamer, PhD, is one of the researchers who found out that this improvement is actually legit. What's more, he has researched how much faster that improvement in running economy could make you. In today's episode we discuss the Vaporfly 4% shoes, running shoes in general, running economy, breaking two hours for the marathon, and more. IN THIS EPISODE YOU'LL LEARN ABOUT: -The Nike Vaporfly 4% shoes, and how Wouter and his colleagues at the University of Colorado verified that they can reduce the energetic cost of running a given speed by 4%. -Running economy, and how improvements in it translates to improvements in speed. Slower runners may benefit more from the 4% shoes than faster runners. -Footwear in general, and the tradeoff between cushioning (which is good for running economy) and weight (which is bad for running economy) -The impact of drafting in running - how much energy can it save you? - SHOWNOTES: https://scientifictriathlon.com/tts179/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW and get your first box for free! ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS. LINKS AND RESOURCES: Nike Vaporfly 4% time savings Excel spreadsheet A Comparison of the Energetic Cost of Running in Marathon Racing Shoes The Biomechanics of Competitive Male Runners in Three Marathon Racing Shoes: A Randomized Crossover Study Extrapolating Metabolic Savings in Running: Implications for Performance Predictions How Biomechanical Improvements in Running Economy Could Break the 2-hour Marathon Barrier Reflecting on Eliud Kipchoge’s Marathon World Record: An Update to Our Model of Cooperative Drafting and Its Potential for a Sub-2-Hour Performance RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Twitter - my handle is @SciTriat.

Transcript

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0:00.0	Eventually, it turned out that all 18 runners reduced their energy uptake when running in a prototype shoe.
0:07.0	And on average, over all the three different velocities, that was by 4%.
0:10.8	That triad from Seoul, 179. Hey, what's up everybody and welcome back to another episode of that triathlon show, the podcast
0:34.2	presented by Scientific Triathlon.com.
0:37.5	I'm your host Michael, and on today's episode, I Traathlon.com. I'm your host Michael and on today's episode I interview Dr. Wauter Horkkamer.
0:44.0	Vauter is a postdoctoral researcher at the University of Colorado Boulder and he has been the lead researcher on the independent peer-reviewed studies that established the benefits of
0:56.4	Nike's famous new shoe, the Vaporfly 4% shoes, so-called because they can improve
1:02.2	running economy by 4%. And we will discuss the Nike Vaporfly shoes and running economy
1:09.7	and what that actually means for improvements in
1:12.0	speed and how that translation works and also more generally properties that make shoes more
1:18.1	or less economical and more related to these topics. But first, big thanks to our sponsors,
1:25.2	precision hydration that you can find on precisionhydration.com.
1:29.8	And just to remind you of how important it is to individualize your electrolyte intake,
1:35.5	some people can lose just 200 milligrams of sodium per liter of sweat,
1:40.8	whereas some people can lose over 2,000 milligrams of sodium per liter of sweat.
1:45.0	And then when you multiply that by people having different sweat rates, so somebody may sweat
1:50.7	twice as much as another, and actually, in actual fact, we can see up to five or sixfold
1:56.5	variances in the individual sweat rates themselves. This means that you have to be deliberate with
2:03.6	with your electrolyte intake, especially when you're raising longer races and racing in hot environments.
2:10.8	And so go to precisionhydration.com, take their free online sweat test and that will give you
2:15.8	an individualized hydration strategy
2:18.0	and tell you more about what kind of electrolyte intake you should be looking for in your next
	...

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