Metadaten doppelt im Loop

In meinem Loop frage ich Metadaten ab (custom fields) und gebe sie aus, klappt auch irgendwie, aber jedes loop-item zeigt auch die metadaten der anderen loop-items, was mach ich falsch?

Zitat

<?php
query_posts( 'post_type=ajde_events&showposts=5' );
if ( have_posts() ) : while ( have_posts() ) : the_post();
?>

<li class="news cf">

<a href="<?php the_permalink() ?>"><?php the_title(); ?></a>

<!-- Event start date + time -->
<?php
$metakey='evcal_srow';
$startzeit=$wpdb->get_col($wpdb->prepare("SELECT DISTINCT meta_value FROM $wpdb->postmeta WHERE meta_key = %s ORDER BY meta_value ASC", $metakey));
if($startzeit){
foreach($startzeit as $evcal_srow){
echo "<div class='datum'>".gmdate("d.m.Y", $evcal_srow)."</div><div class='uhrzeit'>".gmdate("H:i", $evcal_srow)."</div>";
}
}
?>

<!-- Termin end date + time (hide when "evo_hide_endtime = yes" ... ) -->
<?php
$meta = get_post_meta( get_the_ID(), 'evo_hide_endtime', true );
$metakey='evcal_erow';
if ($meta == 'yes') {
echo 'Open end';
} else {

$endzeit=$wpdb->get_col($wpdb->prepare("SELECT DISTINCT meta_value FROM $wpdb->postmeta WHERE meta_key = %s ORDER BY meta_value ASC", $metakey));
if($endzeit) {
foreach($endzeit as $evcal_srow){
echo "<div class='datum'>".gmdate("d.m.Y", $evcal_srow)."</div><div class='uhrzeit'>".gmdate("H:i", $evcal_srow)."</div>";

}
}
}
?>

<?php //print_r($zeit) ?>

</li>

<?php endwhile; ?>
<?php else: ?>
Nothing ...
<?php endif; ?>

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