Gunny

For time:
1-mile weighted run
50 push-ups
50 sit-ups
1-mile weighted run
50 push-ups
50 sit-ups
1-mile weighted run

Wear a weight vest, body armor, loaded pack or whatever is needed to load yourself with 50 lb

Here's what I did:
For time:
800m run + 1mi on Airdyne
50 push-ups
50 sit-ups
2-mile Airdyne
50 push-ups
50 sit-ups
2-mile Airdyne

59:57

I started with the run and my Achilles started twinging so I switched to the Airdyne. I'm sure that the Airdyne was worse (realise my runs wouldn't have been weighted).

I anticipated that the pushups would be the most difficult part - they were. I had to invoke "WARM BODY COLD MIND" many times.

I lost 2.5 pounds doing this....and I got monkey butt...