Right post sidebar disappears when using an events list shortcode

Hello,
I find that if I use an events list in a single post, the right sidebar for that post entirely disappears. This is only happening when I have an events manager shortcode in the post. I’m not sure why…sometimes the .em.pixelbones class overcomes everything else, but I tried disabling styling, and still the issue persists.

Here’s an example: https://www.pnwbeyond.com/turkey-trot-events-puget-sound-pacific-northwest/

There should be a sidebar on this page, and is if I disable the events list shortcode.

Thanks.