Olympian and British champion Cindy Ofili joins Andi and Zach to discuss how to develop speed and what that looks like in a distance runner's training regimen. Tune in for additional conversation about the latest running news (diamond league results, more records on the track, and an update from On Running's newest team) as well as an answer to a listener's question about knee pain.

For complete details and resources, visit atozrunning.com/episode47