Julie Rice and Elizabeth Cutler say they want to pursue new projects Opened their first studio ten years ago after meeting at a members' club lunch in New York City Each walked out with almost $90 million when Equinox upped its stake last year The company made $112 million in sales in 2014 and filed to go public in July The two women who co-founded SoulCycle have both resigned from the company - just a year after making $90 million each by selling it to Equinox.

Anna Kaiser, the founder of AKT in Motion, an of-the-moment dance cardio workout, used to bring the back row to the front to change things up during class. That made some clients so reluctant that she has since amended to instructing them to switch sides of the room, something they are "more willing to do because they can maintain their coveted row," she wrote in an email.