![Laura Muir on Twitter: "Race Day! I have worn these spikes 4 times: 1) Olympics 2) Paris - 3.55.22 NR 3) Zurich - DL champ 4) i5000m - 14.49 NR 5) Karlsruhe ?? https://t.co/X79ComCw1i" / Twitter Laura Muir on Twitter: "Race Day! I have worn these spikes 4 times: 1) Olympics 2) Paris - 3.55.22 NR 3) Zurich - DL champ 4) i5000m - 14.49 NR 5) Karlsruhe ?? https://t.co/X79ComCw1i" / Twitter](https://pbs.twimg.com/media/C31bTqdWAAA9ho6.jpg)
Laura Muir on Twitter: "Race Day! I have worn these spikes 4 times: 1) Olympics 2) Paris - 3.55.22 NR 3) Zurich - DL champ 4) i5000m - 14.49 NR 5) Karlsruhe ?? https://t.co/X79ComCw1i" / Twitter
![Glen Cottingley on Twitter: "On the left, Laura Muir's Nike prototypes. On the right the best picture I can find of Jemma Reekie's spikes from today. They certainly appear to be prototypes. Glen Cottingley on Twitter: "On the left, Laura Muir's Nike prototypes. On the right the best picture I can find of Jemma Reekie's spikes from today. They certainly appear to be prototypes.](https://pbs.twimg.com/media/EPsxglTWAAEE4zh.jpg)
Glen Cottingley on Twitter: "On the left, Laura Muir's Nike prototypes. On the right the best picture I can find of Jemma Reekie's spikes from today. They certainly appear to be prototypes.
![Laura Muir's record mile run at risk of being spiked over her shoes specifications | Daily Mail Online Laura Muir's record mile run at risk of being spiked over her shoes specifications | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/02/19/20/10016484-6722325-image-a-20_1550609357271.jpg)
Laura Muir's record mile run at risk of being spiked over her shoes specifications | Daily Mail Online
![Laura Muir good enough to run in high heels, says coach Andy Young over shoe row | Sport | The Times Laura Muir good enough to run in high heels, says coach Andy Young over shoe row | Sport | The Times](https://www.thetimes.co.uk/imageserver/image/%2Fmethode%2Ftimes%2Fprod%2Fweb%2Fbin%2F599ad8a4-3b8b-11e9-a664-d81d3e2c8975.jpg?crop=333%2C500%2C793%2C2949)
Laura Muir good enough to run in high heels, says coach Andy Young over shoe row | Sport | The Times
![Laura Muir could run 'in high heels', coach insists amid reports spikes do not comply with regulations Laura Muir could run 'in high heels', coach insists amid reports spikes do not comply with regulations](https://www.telegraph.co.uk/content/dam/athletics/2019/02/28/TELEMMGLPICT000188129105_trans_NvBQzQNjv4BqSdnVs1xxx3yeSXN55W0GtAy1y9Z6388n_u9DBBz0cZk.jpeg?imwidth=480)
Laura Muir could run 'in high heels', coach insists amid reports spikes do not comply with regulations
![Laura Muir downplays decision to link up with controversial Nike Oregon Project | The Independent | The Independent Laura Muir downplays decision to link up with controversial Nike Oregon Project | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2018/04/06/12/muir.jpg?quality=75&width=1200&auto=webp)