PRESCOTT VALLEY, Ariz. – Sgt. 1st Class Elizabeth Marks of Prescott Valley is back training for the 2021 Summer Paralympic Team Trials for swimming. The Paralympic Games were originally scheduled for August 2020 but were postponed to August 2021 because of the COVID-19 pandemic.PRESCOTT VALLEY, Ariz. – Sgt. 1st Class Elizabeth Marks of Prescott Valley is back training for the 2021 Summer Paralympic Team Trials for swimming. The Paralympic Games were originally scheduled for August 2020 but were postponed to August 2021 because of the COVID-19 pandemic.