Not a retreat, but a chance to advance.
Set up a zoom room. By yourself, perhaps. Weird but do-able. Or possibly, bring a coach or a colleague. But only one person.
No phones. No internet besides Zoom.
Spend four hours in isolation, with nothing to do but figuring out what’s scaring you and what you’ve been avoiding.
Spend half a day figuring out the difference between urgent and important.
If you’re too busy to do that, it’s probably because you are spending too much time on the urgent.