WP Loop example

$args = array(
    'post_type' => 'bc_treneriai',
    'posts_per_page' => -1
);
$query = new WP_Query( $args );


?>

<?php while ( $query->have_posts() ) : $query->the_post(); ?>
        <!--  Inside the loop  -->
        <h2><?php the_title(); ?></h2>
        <?php the_field('vardas'); ?>


<?php endwhile; ?>