It's gotta be the shoes: Are advancements in spike technology causing track records to be broken?
Nike Zoom Victory Flyknit - Men's Mid Distance Spikes - the women's Nike Lahar Low revives a - White / Flash Crimson / Black
Men's Nike Air Zoom Victory
Track shoes/Spikes Nike AIR ZOOM VICTORY - Top4Running.com
Nike Air Zoom Victory Track & Field Distance Spikes – Heartbreak Hill Running Company
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