Lyft, Uber, and Postmates are racing to file IPOs this year, a mad dash replete with ever-increasing multibillion-dollar valuations. But is the rush to start trading on the public markets also a sprint to evade compliance with current labor law? Recent financial and lobbyist filings suggest that the gig-economy giants are hoping to get ahead of a wave of enforcement actions, new legislation, regulatory requirements, and lawsuits that could force these companies to finally and formally classify full-time workers as employees.