Sports Indianapolis Motor Speedway to allow spectators in at 50% of capacity for Indy 500 in August June 26, 2020 Nathan Brown, Indianapolis Star Comments Off on Indianapolis Motor Speedway to allow spectators in at 50% of capacity for Indy 500 in August Indianapolis Motor Speedway says it will allow spectators in the stands for the Indy 500 on Aug. 23 — but only at 50% capacity.