Start of PST Season Further Delayed Due to COVID-19 May 31, 2021 Regional Officials for the East Coast International Pro Stock Tour and Riverside International Speedway have announced the June 12 event scheduled at Riverside has been postponed in accordance with current COVID-19 restrictions. The event will be rescheduled for a date to be determined in collaboration with the track and participating series, and pending restrictions easing to a point where it’s doable. The next event scheduled for the Pro Stock Tour is June 26 at Scotia Speedworld. Both the Tour and Riverside remain committed to a full season; fans are encouraged to follow restrictions and be vaccinated in order to help get us all to get back to the things and the people we love sooner than later.