1) Jack Daniels (1933–2019)
Exercise physiologist and coach whose work on training intensity and pacing helped popularize scientifically informed running routines.
Daniels’ approach to training zones and pace strategies provided a framework that many recreational runners still rely on today. His emphasis on interval training, tempo runs, and gradual progression offered a bridge between performance science and everyday health goals. His legacy invites runners to balance effort with recovery, ensuring that improvement remains sustainable rather than fleeting.