As part of the yearly pre-season update to the 2021 Rule book, NASCAR has confirmed the 2021 stage lengths for the Cup Series, Xfinity Series, and the Camping World Truck Series.
Many new races are being welcomed to the NASCAR Cup Series season in 2021. The Bristol Dirt Race will be a 250 lap event, that will include three stages, ending at lap 75, lap 150, and lap 250 respectively. When the NASCAR Cup Series to Nashville for the Ally 400, the 300 lap race will split up into three stages. Those stages will end on lap 90, 185, and 300. Some tracks, including Circuit of the Americas, and the All-Star Race at Texas are expected to be confirmed at a later date.
The stage lengths for all three national series can be found below.pdGuoYrYRYetI7Dulg4D_2021_NCS_STAGE_LENGTHS_REVA