The video · check no. 2
Carbon “super shoes”, checked
The famous number for carbon-plated running shoes is 4%. Across fourteen studies and 271 runners, the average is about 2.75% — and nearly all of it was measured on flat ground. The whole check in four and a half minutes, narrated.
Every number in this video is traced to a source in the full write-up:
read the complete check — fourteen studies, 32 sources,
and the fine print that a video can't carry.
Where something is our own estimate rather than a measurement, we say so.
Want to run your own numbers? The free calculators — pace, race predictor, heart-rate zones, climbs and aero — each show the formula they use.
Music: “Airport Lounge” — Kevin MacLeod (incompetech.com), licensed under CC BY 4.0.
Want to run your own numbers? The free calculators — pace, race predictor, heart-rate zones, climbs and aero — each show the formula they use.
Music: “Airport Lounge” — Kevin MacLeod (incompetech.com), licensed under CC BY 4.0.