Olympics 2021: World records on track in athletics as spiked shoe battle between Nike, Puma intensifies
![Amazon.com | New Balance Men's XC Seven V4 Running Shoe, Pixel Green/Cyber Jade, 6 | Track & Field & Cross Country Amazon.com | New Balance Men's XC Seven V4 Running Shoe, Pixel Green/Cyber Jade, 6 | Track & Field & Cross Country](https://m.media-amazon.com/images/I/71L0yuCf5jL._AC_UY1000_.jpg)
Amazon.com | New Balance Men's XC Seven V4 Running Shoe, Pixel Green/Cyber Jade, 6 | Track & Field & Cross Country
Running Warehouse on Instagram: "The Shoe Recap continues and today we are looking at the Women's 400m Hurdles. - With 2 runners under the old WR and a third barely missing it,
![Amazon.com | New Balance Women's Short Distance 100 V2 Spike Running Shoe, Voltage Violet/Black, 6 | Road Running Amazon.com | New Balance Women's Short Distance 100 V2 Spike Running Shoe, Voltage Violet/Black, 6 | Road Running](https://m.media-amazon.com/images/I/81tiHJ9YrkL._AC_UY1000_.jpg)