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(Photo by Scott Frazier) Inside Line Promotions – WINDOM, Minn. (June 6, 2016) – Emotions are high entering this Saturday’s GoMuddy.com National Sprint League 360 Diamond Region event at I-30 Speedwa...

Inside Line Promotions – LITTLE ROCK, Ark. (May 7, 2016) – Tim Crawley pocketed his second straight GoMuddy.com National Sprint League 360 Diamond Region victory on Saturday at I-30 Speedway. Crawley...

(Photo by Scott Frazier) Inside Line Promotions – WINDOM, Minn. (May 2, 2016) – The GoMuddy.com National Sprint League 360 Diamond Region will attempt to get through an entire event at I-30 Speedway...

(Photo by Gary Cornelison) Inside Line Promotions – WEST MEMPHIS, Ark. (April 19, 2016) – Derek Hagar struggled with a tight race car Saturday night during the GoMuddy.com National Sprint League 360...

Inside Line Promotions – WEST MEMPHIS, Ark. (April 16, 2016) – Tim Crawley became the first-ever GoMuddy.com National Sprint League 360 Diamond Region winner on Saturday at Riverside International Sp...

Inside Line Promotions – WINDOM, Minn. (April 11, 2016) – The GoMuddy.com National Sprint League 360 Diamond Region will once again attempt to get a race in the books this Saturday when the region wi...

Inside Line Promotions – LITTLE ROCK, Ark. (April 9, 2016) – A late rain storm washed out Saturday’s GoMuddy.com National Sprint League 360 Diamond Region event at I-30 Speedway. Two of the three hea...

Inside Line Promotions – WINDOM, Minn. (April 4, 2016) – The GoMuddy.com National Sprint League 360 Diamond Region will invade I-30 Speedway this Saturday for the first time. The high-banked, quarter...

(Photo by Jeff Bylsma) Inside Line Promotions – WINDOM, Minn. (Feb. 23, 2016) – Larry Chase has been tabbed as the competition director for the GoMuddy.com National Sprint League 360 Diamond Region....

Inside Line Promotions – WINDOM, Minn. (Jan. 19, 2016) – The GOMUDDY.COM National Sprint League 360 Series has established a region that encompasses Arkansas. The GOMUDDY.COM NSL 360 Diamond Region w...