The whole family is welcome at the Myrtle Beach Speedway for the Back to School Night. The raceway has teamed up with Backpack Buddies and will be accepting donated backpacks and school supplies. All donations will go toward Backpack Buddies, which gives to Horry County children in need. The racing begins at 7:45 p.m. Bring donations for half off your admission.  Myrtle Beach Speedway, 455 Hospitality Lane. Saturday, grandstands open at 6 p.m. $15 adult & $5 children. Half off admission with donation. (843) 236-0500, www.myrtlebeachspeedway.com