Is a US$500 marathon shoe you can race in only once worth it?

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Nike has long dominated the marathon racing shoe market with its Vaporfly line. A carbon-fibre plate in the midsole stores and releases energy with every stride. That, combined with a midsole foam called Pebax, catapults long-distance runners forward, improving times around 4 per cent compared with average shoes.

It is well established in sports science that the lighter the shoe, the faster the runner. The weight difference between an Evo 1 and a Vaporfly might shave around 20 seconds off a marathoner’s time

For qns on the impact of tech on sport....

Qns: 

1. Is fair play still possible in sport today? (DHS Prelim 2023)

2. ‘Winning at sport is due to wealth, rather than talent.’ Comment. (RI Prelim 2023)