Tweeted By @goodfellow_ian

For years I’ve believed in the story that after the first person ran a 4 minute mile, suddenly many other athletes found that they could too, and that the 4 minute barrier was largely psychological. Today I found this article arguing that’s a myth: https://t.co/cb2z7nuluP

— Ian Goodfellow (@goodfellow_ian) July 24, 2019