If you made it to this stage you’d have run just over 2.5 km, which is equivalent to 1.6 miles. The vast majority of people will be done before they reach level 13, which takes less than 14 minutes. This is to simulate carrying the heavy equipment you will have to take with you on deployments. The great thing about the beep test is it won’t take you long at all. The march involves carrying an evenly distributed weight of 20kgs. Everyone who joins the Air Force will first need to pass an Operational Fitness Test (OFT), which involves both marching and push-ups to test both your core fitness and dexterity.