d <a href="https://account.mapbox.com/access-tokens/" target="_blank">Mapbox token</a>. You can also use a custom Mapbox style by directly specifying its URL with <code>mapbox-style=&lt;STYLE_URL&gt;</code>.</p>
                <p>You can optionally add parameters to the source URL: <code>imperial</code> to get data in miles and feet, <code>running</code> to display the pace in minutes by unit of distance, <code>distance</code> to show distance markers, <code>direction</code> to show direction markers and <