Combine water and sugar in a glass measuring cup. Microwave at HIGH 2 minutes or until sugar dissolves, stirring once; cool. Combine sugar mixture, vodka, juice, and liqueur in a pitcher; stir to combine.
Place crushed ice in a martini shaker. Add vodka mixture to martini shaker in batches; shake well to chill. Strain about 1/2 cup vodka mixture in shaker into each of 10 glasses; repeat procedure with remaining vodka mixture, refilling ice as necessary. Serve immediately.