We tend to forget

With modern-day hype, we tend to forget how really great some past athletes were. Sure, times are faster today, but Paavo Nurmi won gold medals from the 1920 through the 1928 Olympics at 1500, 5000 and 10,000 meters. That would be unheard of today. Also, Emil Zatopek won the 5000, the 10,000 and the marathon in the same Olympics. Ditto the unlikelihood that that could happen today.