One of the popular annual racing events for the Sioux Falls fans is at Oskaloosa, Iowa every year at this time. It's not only popular with the area, but world wide.

It's called The Front Row Challenge. 2015 marked the 20th year for the event that always features the best of the best national sprint car drivers.

This event easily consists of the sport's best because they are all in Iowa all ready for the upcoming Knoxville Nationals, the grand daddy of all sprint car races, that starts on Wednesday.

Monday night's 20th running of the race at Southern Iowa Speedway in Oskaloosa paid $20,000 to the winner. There were 37 cars in competition.

The winner was Brad Sweet, from Grass Valley, California. He earned the pole position and led all 30 laps. See complete results.