What won the race: Taking the lead on lap 16, seventh-starting Blair Nothdurft of Renner, S.D., paced the final nine circuits and cruised to win his third Repairable Vehicles.com Tri-State Series feature of the year on Saturday, earning $1,000.

Key notes: The victory is the fourth of Nothdurft's career with the Tri-State Series, moving him into a tie for sixth on the tour's all-time win list. ... Three-time winner this season, Justin Zeitner of Malvern, Iowa, led the first 16 laps before settling for the runner-up position, 1.390 seconds behind Nothdurft. ... Polesitter Ben Sukup of Norfolk, Neb., faded to finish seventh. ... Saturday's feature, the fifth visit to I-90 in series history, was slowed by three separate incidents and lasted 18 minutes, with 12 competitors completing all 25 laps.

On the move: Chad Olsen of Hendricks, Minn., started 13th and finished sixth.

Points chase: Before I-90: 1. Justin Zeitner (1,347); 2. Chad Olsen (1,240); 3. Blair Nothdurft (1,222); 4. Nate Beyenhof (1,081); 5. Brad Vogt (1,065).

Current weather: Few Clouds, 86°F

Car count: 21

Polesitter: Ben Sukup

Heat race winners: Jordan Heiman, Justin Zeitner, Ben Sukup,  ,  ,  ,  ,  

Next series race: July 30, Wagner Speedway (Wagner, SD) $1,000