The fitnessgram pacer test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20-meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute after you hear this signal. "dododdndh" a single lap should be completed each time you hear this sound, "ding" remember to run in a straight line, and run as long as possible. The second time you fail to complete a lap, your test is over. The test will begin on the word start, "bloooploop" on your mark. get ready. start.