NASCAR announces 2021 All-Star Race format

The annual exhibition race will feature six rounds with a total of 100 laps, live on Fox Sports 1 at 8 p.m. EST.
The format:

The race will feature six rounds, totaling 100 laps.
Starting lineup for Round 1 will be determined via random draw.
Rounds 1 through 4 will be 15 laps each; Round 5 will be 30 laps; the Final Round will feature a 10-lap shootout. 
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