This is a version of the PACER Test that I made. It has music from Rocky and Karate Kid playing behind the beeps ... it's cool!
Students start lined up on the sideline of the basketball court. At the sound of the first tone, everyone jogs to the opposite sideline and waits until they hear the next tone before running back across. Enforce that students do not leave early.
If a student does not get to the line in time for the tone, he can run and touch the line and then run as fast as he can to the opposite line to try to catch up. When a student misses two consecutive beeps, their PACER Test is over. Have them listen to what level they made it up to and remember it for next time. You may choose to have them write it down in a log somewhere.