Photos: Fans return for 2021 Belmont Stakes A spectator cheers on horses during the fourth race of the day before the153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/John Minchillo) (John Minchillo/AP)
Photos: Fans return for 2021 Belmont Stakes A spectator cheers on horses during the fifth race of the day before the153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/John Minchillo) (John Minchillo/AP)
Photos: Fans return for 2021 Belmont Stakes Thoroughbreds are guided onto the track for the first race of the day before the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, at Belmont Park in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes A braided mane adorns a thoroughbred horse's neck before the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Demonstrators protest the horse racing industry before the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, outside Belmont Park in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Horse racing fans arrive at Belmont Park for the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Horse racing fans go through security checks as they arrive at Belmont Park for the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Horse racing fans are screened for their body temperature as they arrive at Belmont Park for the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Demonstrators protest the horse racing industry before the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, outside Belmont Park in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Horse racing fans go through security checks as they arrive at Belmont Park for the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes Demonstrators protest the horse racing industry before the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, outside Belmont Park in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes A spectator's hat flutters in the breeze before the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/John Minchillo) (John Minchillo/AP)
Photos: Fans return for 2021 Belmont Stakes A thoroughbred race horse is hosed down after a race at Belmont Park, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)
Photos: Fans return for 2021 Belmont Stakes A young horse racing fan arrives at Belmont Park for the 153rd running of the Belmont Stakes horse race, Saturday, June 5, 2021, in Elmont, N.Y. (AP Photo/Eduardo Munoz Alvarez) (Eduardo Munoz Alvarez/AP)