WISSOTA Challenge Series

The Structural Buildings WISSOTA Late Model Challenge Series has added several new ‘flag sponsors’ to it’s list of supporters as the 2024 season creeps closer with the season opening event slated for Friday, May 10th at the I-94 emr Speedway in Fergus Falls, Minnesota. At...more

Speedwerx has been involved with the Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western Star for a few years as the Hard Charger Sponsor, and this year will transition to the sponsor of MRP’s Speedwerx Fantasy...more

As things continue to grow, the 2024 Structural Buildings WISSOTA Late Model Challenge Series powered by Momentum Truck Group, Freightliner, Western Star will host a pre-race show before each series event this season, featuring drivers, track promoters, sponsors and other...more