You must see yourself run the race over and over, time and time again. You must put yourself in critical positions and see how you would react in those positions before the race so when and if they do happen, the feedback is automatic.
Most humans know their own "reason" only in the sense that Hume defined it, as "a slave to the passions"-and by "passions" he meant not moral passions or the passions of transcendent genius, but only low appetites or base desires, which society and economy ultimately shape and spur on in us.