At last, I've obtained the enemy's itinerary. I'm posting the gym's CrossFit schedule here so I can know when to avoid that place like the plague.
Monday and Wednesday: 6 a.m., 7 a.m., noon, 5:30 p.m.
Tuesday and Thursday: noon, 6:00 p.m.
Friday: 6 a.m., 7 a.m., noon, 5:00 p.m.
Saturday: 10:00 a.m