![]() ![]() I do variations on this workout fairly regularly and have done it in all kinds of racing shoes. ![]() My first run in the shoe was a tough workout where I ran 5K at 3min 30sec/km, followed by eight hill reps and then 3km at 3min 20sec/km. Running at fast paces almost feels effortless. When jogging slowly it feels large and cumbersome, but once you get rolling the shoe springs into life and the ride becomes remarkably smooth. Like the original Alphafly, the 2 feels like a different shoe when you run fast in it. ![]() The original Nike Air Zoom Alphafly NEXT%, left and the new Nike Air Zoom Alphafly NEXT% 2, right (Image credit: Nick Harris-Fry / Future) Running Performance I have also used the original Nike Alphafly NEXT% extensively, running a 2hr 29min and 2hr 33min marathon in it in 2021, and I’ve also logged a lot of races in the Vaporfly NEXT% 2. I’ve run 82km in the Nike Alphafly NEXT% 2 ahead of its launch, including a steady 20-miler (32km), a parkrun, a hard workout and another long run with an extended section at marathon pace. Once on, however, the fit is secure and comfortable in my normal size, and I had no slippage around the redesigned heel. The Alphafly is not an easy shoe to pull on – I needed to use the pull tabs on the tongue and collar to get even my narrow foot in. The Atomknit 2.0 upper has more structure and support around the heel, and loses the overlay over the toes to make it feel less restrictive in the forefoot. Nike told me that the drop of the Alphafly NEXT% 2 is 8mm, which is double the 4mm of the original, though the original felt like it had a higher drop than 4mm to me when running in it. Nike doesn’t list an official stack height for the Alphafly NEXT% 2, but it certainly bumps right up against the 40mm limit set by World Athletics. In comparison, my size UK 9 Alphafly NEXT% weighs 8.2oz (232g), and my Vaporfly NEXT% 2 is 7.3oz (207g). My UK size 9 shoes were actually different weights – 8.6oz (244g) and 8.9oz (251g) – while Nike lists a US 10/UK 9 as weighing 8.8oz (249g). Nike Air Zoom Alphafly NEXT% 2 outsole (Image credit: Nick Harris-Fry / Future)Īll these updates have made the Alphafly 2 heavier than the original. ![]()
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