I did this yesterday. It was nice when it was overcast, then the sun came out and oh boy it was hot!
100m High knees
100m Butt kickers
50m Samson stretch lunge
50m Ankle grab
50m Knee hug
As many rounds as possible in 7min
Hill run 30m, walk down
7 Star jumps
7 Push ups
As many rounds as possible in 6 min
Jog uphill 30m backwards
At the top do 14 mountain climbers, jog down
14 Jump lunges
7 Pike push ups
After that do the entire circuit (both) in a row as many rounds as possible in 8 min
Cool down stretches (5 min)
Total Time: Approx 35 min
Sweat'o'Metre: OH yes it was a drippy one, especially off the face!
Burn'o'Metre: Inferno man! This burned the lungs, the legs, the calves, the butt everything! Not so much upper body though.