It's Alphafly 3 release week, and the big question is whether you should cop the new racer if you've already got the Vaporfly in your rotation. I'm also fresh off a monster workout where I used both of these shoes, so it's the perfect time for a full-length comparison breaking down all the details on Nike's top marathon racers. Here's everything you need to know about the shoes.
0:00 - Intro
1:36 - Background on Shoes
3:13 - Overview
6:44 - Midsole
8:59 - The Ride
12:13 - Upper & Fit
14:43 - Outsole & Durability
18:28 - Who They're Best For
Alphafly 3 Review: https://youtu.be/2jwES1w-cI8
Vaporfly 3 Review: https://youtu.be/x2UjBn6A9nQ
Workout Comparison: https://youtu.be/eXNB2p0DJig
As promised, here are the studies for the nerds:
Carbon Plate Shoes Improve Metabolic Power and Performance in Recreational Runner, International Journal of Sports Medicine, 2022: https://www.researchgate.net/publication/360437139_Carbon_Plate_Shoes_Improve_Metabolic_Power_and_Performance_in_Recreational_Runners
A Comparison of Running Economy Across Seven Carbon-Plated Racing Shoes, Stephen F. Austin, 2021: https://scholarworks.sfasu.edu/cgi/viewcontent.cgi?article=1032&context=kinesiology
The Effect of Carbon-Plated Racing Shoes on Performance, Kyle M. Edgar, Chapel Hill, 2022 (download link): https://cdr.lib.unc.edu/downloads/pk02cm79x