It's gotta be the shoes: Are advancements in spike technology causing track records to be broken?
NEW YORK, USA, AUGUST 13, 2020: Nike Air Zoom Victory and Nike ZoomX Dragonfly. Racing Spikes for summer olympic game Tokyo 2021. White Color Professional running shoes, Olympic Edition.. Stock Photo | Adobe Stock
Track shoes/Spikes Nike Air Zoom Victory Racing Shoe - Top4Running.com
Nike Air Zoom Victory Racing Pink Tokyo Track Spikes **BRAND NEW** | eBay
Nike Air Zoom Victory Spikes Unisex Mint Foam/Cave Pur | Running Warehouse