In 2011, Freeman was suspended by the USA Track & Field due a positive test for tetrahydrocannabinol.[3] It was Freeman's second doping violation, having previously tested positive for tetrahydrocannabinol in 2009.
Note 1: In 1888 both the NAAAA and the AAU held championships
OT: The 1920, 1928, 1932, 1992, 1996, 2000, 2004, 2008, 2012 and 2016 championships incorporated the Olympic Trials, otherwise held as a discrete event.
2020 OT: The 2020 Olympic Trials were delayed and held in 2021 due to the COVID-19 pandemic.