Kansas Speedway, Kansas City, Kan., preliminary schedule:
Qualifying for Camping World truck series: 10:05 a.m. Saturday, April 20.
SFP 250 Camping World truck series race: 1 p.m. Saturday, April 20.
Blackberry Smoke pre-race concert: 10:15 a.m. Sunday, April 21.
STP 400 Sprint Cup race: noon Sunday, April 21.
For any changes in the schedule, check the Kansas Speedway website at www.kansasspeedway.com.