Your previous comment was prescient. With only one easy day between my long run an the 6x1k my legs got annihilated. I hit the times, but I don't think my legs have ever been so sore in my life.
5) 3:56 (close enough)
Anyway I did it, and that's what matters. Incidentally, I think I will be very busy with work in July and August, but I am going to keep going and make the best of it.