I suggest you bag this idea and save your Camino for when you can truly get away. I don’t see how you’re going to walk 12 miles a day after having been up from 3 to 9. Sounds like a recipe for disaster.
When I walked in 2015 a number of people came down with a gastrointestinal illness. They had problems at both ends, if you get my drift. My guess then and now is that it was Norovirus (see Wiki article linked below). In the linked article they mention that one of the risks is living in close...
Jim: Believe it or not, I just now saw your post. I don't often look at my profile. I'm glad you were able to get back to finish your Camino. I can't imagine having to leave in an ambulance. I'm sure that was a surreal and sad experience.
Take care, Tom
When I walked the CF in the fall of 2015 I did the SJPDP to Burgos section in 11 days. I was not speed walking. I walked my pace. I first met the pilgrims who were to become lifelong friends on this stretch of my Camino. I wish you a buen Camino!