I did the workout, slightly modified. Please bear in mind that this was my fourth consecutive full-body workout this week, so I was already sore and a little tired.
That said, here was the workout as planned:
25x Pull Ups
50x Deadlifts (135 lbs)
50x Push Ups
50x Box Jumps
50x Hanging Knees to Elbows
25x each side Dumbbell Snatch (35 lb DB)
25 Pull Ups
300 total reps: 23:04 minutes to complete the circuit. The best time for one of the actors was 18 minutes.
As it turned out, I could only do 25 of the hanging knees to elbows crunches, so I did 25 Ab Waves (on a high incline, crunch up to the right, then back down like a pendulum up to the left -- that's one). I could have gotten all 50 of the planned crunches, but it would have taken forever.
The deadlifts were far too light -- I could easily do 185-225 for 50, but my hamstrings were sore today so this was just fine. The push ups were also too easy -- I did them in a set of 35 and then 15 more. I also should have done the DB snatches in sets of 50 for each side. The last set of pull ups was brutal, and I ended up getting them in sets of 5 or 6 after the first 12 or so. The box jumps were also too easy -- might want to add weight (a couple of 15 lb DBs).
All in all, not a great workout for me. I spent another 45 minutes doing other stuff (cable crossovers for chest [100 lbs each side for 10 reps x 3], unilateral shrugs on the smith machine [110 lbs each side for 10 reps x 3], one arm row on the smith [110 each side for 10 reps x 3], and smith bench press [90 for 25 reps, and 145 for 15 reps]).
The best part of the 300 workout is the intensity -- definitely a lot more cardio-based than most lifting programs. I was breathing hard, but my muscles (aside from abs and lats) didn't feel too taxed.
Still, I will adapt this for some of my clients. They aren't in the same shape I am, and this will rock them pretty hard even if I make it easier.