Holding on to tradition while embracing the future keeps the Indy 500 in the lead position of auto racing .
As the Indianapolis 500 reaches the 100 - year mark , it 's sure to be leading the pack in competitive racing .
Holding on to tradition while embracing the future keeps the Indianapolis 500   in the lead position of auto racing .
As the Indianapolis 500 reaches the 100 - year mark , it 's sure to be leading the pack in competitive racing .