The Super Shoe’s Step-by-Step Evolution

A 2016 study hid lead pellets in some racing shoes… “When we added 100 grams per shoe, they ran about 1% slower, and when we added 300 grams, they ran about 3% slower,” said Rodger Kram, an emeritus professor at Boulder. He called the 1% per 100 grams “a rule of toe.” Gift link:

A 2016 study hid lead pellets in some racing shoes… “When we added 100 grams per shoe, they ran about 1% slower, and when we added 300 grams, they ran about 3 percent slower,” said Rodger Kram, an emeritus professor at Boulder. He called the 1% per 100 grams “a rule of toe.”

I cld be so fleet of foot if I had these shoes. Lol. Good luck to everyone participating Sunday in Spokane's50th Bloomsday. www.nytimes.com/2026/05/01/s...