Randomize Future Events on Main Loop of Site for The Events

/*
* Randomize Future Events on Main Loop of Site for The Events Calendar
* Setting needs to be checked to show Events on Main Loop in the Events Calendar Settings
* @3.7
*/
add_action( 'pre_get_posts', 'random_posts' );
function random_posts( $query ) {

        if ( $query->is_home() && $query->is_main_query() ) {

               $query->set( 'orderby', 'rand' );
			   $query->set( 'meta_query', array(
					array(
						'key' => '_EventStartDate',
						'value' => date('Y-m-d') . ' 00:00:00',
						'compare' => '>='
					)
					));
        }
}