How long are classes? Kate Updated July 31, 2018 07:10 Our classes range from 5 minutes to 90 minutes. You can take one at a time or stack different classes (like a run followed by some yoga) to work out just the way you need. Download here! Related articles What kind of music do you offer? Are the classes geared for the home, outdoors or at a gym? What class types are offered? What is the cost of Go? What is Go?