Volunteer At All Three Great Meadow Events and Receive Extra Prizes! THE PLAINS, Virginia – February 2022 – Great Meadow International is now accepting vendor applications for its festive Meadow Market during the event. The MARS EQUESTRIAN™ Great Meadow International (MARSGMI) takes place in The Plains, Virginia on August 25-28, 2022 and offers CCI4*-S, CCI3*-S, CCI2*-S and preliminary divisions. After being cancelled due to COVID-19 in 2020, the Meadow Market made a triumpha