Among March 31-April 1 special events and sanctioned touring races affected by inclement weather:

Florence: Saturday’s Spring 50 at Florence Speedway was postponed; the $10,000-to-win event was rescheduled for April 15.

Thunderbird: Friday's Complete Well Testing Sooner Late Model Series event at Thunderbird Speedway in Muskogee, Okla., was rained out for the second straight week; no makeup date was announced.