2017 SPEED SPORT CHALLENGE EXPANDS TO INCLUDE MORE TRACKS AND QUALIFYING EVENTS
View the 2017 Speed Sport Challenge events below for the sprint car racing series. Three of the four Speed Sport races can be watched online.
KNOXVILLE, IOWA – The SPEED SPORT Challenge has been a long-standing tradition at the annual 5-hour ENERGY Knoxville Nationals presented by Casey’s General Store, uniting the world’s greatest sprint car drivers during the sport’s biggest week of the year.
The annual event, held every Friday of the annual Knoxville Nationals, began in 1997 and is an invitation-only event.