On a 25-minute clock:
Run 1.5 miles
Then perform as many rounds as possible of:
10 push-ups
20 lunges
30 sit-ups

Post rounds completed to comments.

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Scaling:
Deconditioned athletes should reduce the overall volume of this workout while still maintaining the general format and bodyweight movements.

Beginner option:
On a 20-minute clock:
Jog 1 mile
Then perform as many rounds as possible of:
5 assisted push-ups
10 lunges
20 sit-ups