Hortman Workout

Complete as many rounds as possible in 45 minutes of:
Run 800 meters
80 Squats
8 Muscle-ups
I have been dreading this WOD since reading it. I workout in a regular gym and was going to do this a couple of times but the gym was packed and the treadmills were all jammed up, so I couldn't do it.
The big problem was I popped my right calf muscle in my 3rd or 4th round. My calf seized up and was really in pain. I basically stopped and thought it was hurt, and I'm still hoping that it's just sore and/ or pulled a little bit.
I was running much fastere than I thought I would for the first 3 rounds at about 11 or more mph, and the air squats were basically broken up into about 35,30,15. I was not as fast but very little rests on the air squats. I was going FULL ROM with the squats as well. I was doing all the MUs in most rounds as 6+2, and in the last 2 rounds I was doing 5+3 & the last round was 4,2,2. The running slowed me down in the last 2 rounds because of the calf. I was tired for sure but the calf seizing up & the fear of getting hurt slowed me down.
GREAT KILLER WOD