change-calendar-url.php

<?php
/* The below function will change the url of "All Events" and 
 * links that point back to the starting page of The Events Calendar
 * (by default http://domain.com/events
 *
 * Plugins: The Events Calendar
 * Author: Barry Hughes
 * Last Updated: July 17, 2017
 */
 
add_filter( 'tribe_get_events_link', function() {
    return 'http://example.com';
} );