BIR’s Bracket Drag Racing Series is on the drag strip for the fifth of six racing weekends. It features some of the most exciting amateur drag racing in the Upper Midwest, with 250+ drivers competing in 11 classes in dragsters, cars, trucks, bikes, snowmobiles and Junior Dragsters. Friday is a Test & Tune Day, with time trials and elimination's both Saturday and Sunday. Winners are crowned both days. The Central Roadracing Association brings its insane brand of Superbike racing to BIR's 2.5-mile Competition Road Course. Superbike racers challenge the tight 13 turns on BIR's road course. The pits are always open. On-site camping is available, including 164 full-service RV sites. Daily admission is $25. Kids 12 and under are FREE!