Among rainouts, cancellations and schedule changes for sanctioned and special Late Model events scheduled for Aug. 17-20:

Volunteer: Amidst promoter changes at Volunteer Speedway, the Steel Block Bandits Dirt Late Model Challenge Series moved Saturday’s $5,000-to-win event to nearby 411 Motor Speedway in Seymour, Tenn.

Mississippi Thunder: Originally scheduled as a two-day show with the opener set to pay $3,000-to-win, Dirt Kings Tour series officials announced this year’s Rumble by the River at Mississippi Thunder Speedway in Fountain City, Wis., has been reduced to a single-day event Friday paying $5,000-to-win.

Hilltop: Hilltop Speedway in Millersburg, Ohio, postponed the Jeff Norris Memorial, traditionally one of the track’s richest Super Late Model events. The event was originally scheduled for Aug. 18 but has been pushed back to September on a date to be announced.

Crossville: The Topless Outlaws postponed Saturday's $3,000-to-win event at Crossville (Tenn.) Speedway to Sept. 2.