Any amendment to the qualifying standards for the 2020 U.S. Olympic Team Trials – Marathon made as a result of changes made by the IAAF in qualifying standards for the Olympic Marathon will be communicated immediately on USATF.org.
Marathon: September 1, 2017 to January 19, 2020* Half Marathon: September 1, 2018 to January 19, 2020*
Men Marathon Performances | Men's Half Marathon Performances Women's Marathon Performances | Women's Half Marathon Performances