CrossFit

For Time with a Partner:
Run 400m, together
100 Jumping Lunges (split)
Run 400m, together
100 Thrusters 75/55lbs (split)
Run 400m, together
30 Muscle ups (split)
Run 400m, together

Feel: Cardio
Pacing: Sustain

Non-running movements may be split anyhow.

Machine Equivalents
Row 500/450m
Ski 500/450m
C2 Bike: 800/750m
AAB: 1k/0.8k
Air Run: 320m

May mix/match machines if needed, but both athletes should be running/machine-ing at the same time.