Secretariat vs Man o' War: Who Was Actually Faster?

Secretariat vs Man o' War — who was actually faster? One destroyed fields by 100 lengths in an era of dirt roads and silent film. The other ran the Belmont Stakes in 2:24 flat, a record untouched for over 50 years. We break down the times, the stride data, the 22-pound heart, and the science to finally answer the greatest debate in horse racing history. The result might surprise you.