The weather is finally getting warmer and soon we’re going to have to start un-layering all those sweaters we’ve been hiding under! Circuit training is the perfect workout for those of us with a busy lifestyle because they are short and intense, making them ideal for toning and weight loss and the calorie burn continues long after your workout because of the intervals. So whether you’re looking for a short workout to kickstart your new goal, or needing a change of pace from your usual treadmill routine, check out these kick-ass circuit workouts!