Mixed Modality Zone 2 workout:
For aerobic capacity, heart health and muscular endurance:
Go at a pace you could keep going for 45 mins

100m farmer's walk, (pick up a heavy thing in each hand and go for a walk)
50m e/s waiter's carry
400m run/ row or 800m bike

Duration:
S: 2 rounds
M: 4 rounds
L: 6 rounds
XL 8 rounds

Photo by Katie Moum via UnSplash