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Nov 3, 2022
Super Old Spikes vs. Super Spikes
Recently when moving houses, I found my old high school track spikes (Nike Zoom Kennedy) in a box in the attic. I was surprised that I...
Oct 13, 2022
Puma Fast-R vs. Adidas Adios Pro 3
Puma vs. Adidas, a storied rivalry of the Dassler brothers and the town of Herzogenaurach. In this matchup, I compared the top super shoe...
Sep 29, 2022
Unknown Nike Prototype?
Researchers at the University of Exeter and the Nike Sport Research Lab looked at the impact of an unnamed “highly cushioned” shoe on...
Sep 29, 2022
Puma vs. Nike
This publication was by researchers out of Germany in a study supported by Puma. They compared the ever-elusive Puma super shoes, both...
Sep 29, 2022
The OG Case Study
This is the first running economy case study I ever conducted comparing the Nike Alphafly to the Hoka Carbon X. I had just raced my first...
Sep 29, 2022
Adidas Adios Pro 2
One of the super shoes I wasn't able to get when we conducted the Super Shoe Study was the Adidas Adios Pro line. The first version was...
Sep 29, 2022
Crocs
Perhaps one of the greatest questions in modern running shoe history...how do Crocs impact running performance? This question is only...
Sep 28, 2022
Dragonfly Spikes vs. Alphafly Shoes!
Previous research on the Vaporfly showed about 2.5% better running economy over a traditional distance spike. However, there is no...
Sep 28, 2022
New Balance RC Elite v2
Previously, our super shoe study data and my personal testing data showed the New Balance RC Elite v1 did not offer the same magnitude of...
Sep 28, 2022
Alphafly vs. Vaporfly Uphill Battle
Previous research showed that the running economy benefits of the Nike Vaporfly relative to a standard control shoe, while still...
Sep 28, 2022
Do Super Shoes Still Benefit Running Economy on Hills? (Nike Vaporfly)
Most all of the research on the benefits of super shoes on running economy have been on a level surface. Do the benefits of the shoes...
Sep 28, 2022
How long does the Alphafly magic last?
Many have wondered how many miles the running economy benefits last for in a pair of super shoes. For the Alphafly specifically, I...
Sep 28, 2022
Pop Goes the Alphafly
How much do the air units on the Alphafly impact performance? I have been curious about this for a while. Thanks to a gently, used donor...
Sep 28, 2022
Nike ZoomX Invincible
I tested my running economy in the Nike ZoomX Invincible, a shoe with a thick slab of ZoomX foam, against the Nike Alphafly. I didn’t...
Sep 27, 2022
Nike Streakfly
I tested my running economy in the Nike Streakfly, a shoe marketed for 5k and 10k racing. Testing Methods I ran in the Nike Streakfly as...
Sep 27, 2022
VKTRY Carbon Insoles
Previously when I tested the Nike Invincible, I found no benefits to running economy despite all the ZoomX foam. While the shoe is very...
Sep 27, 2022
The Slow Study
Of the limited super shoe research, most is focused on speeds of 14 km/h and faster in the Nike Vaporfly line. These data have mostly...
Sep 26, 2022
Ultimate Case Study Compilation
Alright, here it is! The ultimate case study compilation of my personal running economy shoe testing over the last year. I have...
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