SPIKES on Twitter: "Jakob Ingebrigtsen finished #PreClassic with a BANG. 💥 The Olympic record holder sets a new meet record and runs the fastest outdoor mile on American soil. https://t.co/LDiEuIQQsu" / Twitter
It's gotta be the shoes: Are advancements in spike technology causing track records to be broken?
What Makes Norway's Ingebrigtsen Brothers Such Exceptional Runners? - Outside Online