It's gotta be the shoes: Are advancements in spike technology causing track records to be broken?
Opinions on the Nike air zoom maxfly? Are they worth the price and any increase in performance over 100,200 and 400m sprints? : r/Sprinting
REVIEW: Nike Air Zoom Victory - Canadian Running Magazine
Could I run the 100m and 400m with the Nike Air Zoom Victory Track & Field Distance Spikes. The other ones I wanted were sold out and too expensive these were 90$ :
Sneaker controversy explodes after 'best race in Olympic history'
Nike Zoom superfly élite 2 OC | Track running shoes, Track and field shoes, Track shoes
Boing! Could Nike's controversial Air Zoom Victory shoes bounce me to glory?