meta_query with comparison

Display posts of type 'my_custom_post_type', ordered by 'training_date', and filtered

  <?php
$todaysDate = date( 'd-m-Y' ); 
 
 $args = array(

 'post_type' => 'training',

 'meta_key' => 'training_date',

  'orderby' => 'training_date',

   'order' => 'ASC',

    'meta_query' => array(

    array(

    'key' => 'training_date',

    'value' => $todaysDate,

    'compare' => '>=',

    ))

    
 );
    

    $query = new WP_Query($args);