![It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian](https://i.guim.co.uk/img/media/cc8d03039454c146ddf523d17bce945e38b8b238/414_274_2474_1484/master/2474.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=0698abd7a5703971b0a8e91671c3ab9d)
It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian
Sneaker companies loom large at World Athletics Championships: 'Lifeblood of the sport,' but for how long? - oregonlive.com
![World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian](https://i.guim.co.uk/img/media/8dd989f70bc471a8dd2970d87c5338501bb88af1/142_217_3250_1951/master/3250.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=98149160ba44c2da042cd76503c05c40)
World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
![DyeStat.com - News - Australian Champion Abbey Caldwell Achieves Lone World Championship Standard at USATF Distance Classic DyeStat.com - News - Australian Champion Abbey Caldwell Achieves Lone World Championship Standard at USATF Distance Classic](https://www.runnerspace.com/members/images/67894/718994_full.jpg)