At the end of the six- to eight-week regimen, Rice will run the trail in about 15 minutes.
The training does not stop during the season, when Rice will run in every spare moment he has.
That's because Rice can no longer run free of coverage the way he once did.
Once a game, Rice could run a 10-yard slant pattern and turn it into a 60-yard touchdown.
Rice ran again in 1989 in a crowded field and won 99,699 to 75,446.
Rice would run a precise route, turn around and find the ball in his breadbasket.
Rice ran 65 yards for a touchdown against the Trojans.
Rice also ran a breakfast program for inner-city youth and was a well-known community activist.
To Glenn, Rice is running somewhat different routes from his days with the 49ers.
Rice ran away from home at 13 and began working with horses.