Colorado sports betting? Voters have crushed 8 previous attempts, but lawmakers are trying again Anna Staver, Denver Post · October 30, 2018 at 2:24 pm Two Colorado lawmakers want to take a gamble in 2019. A bipartisan duo think they can convince two-thirds of their colleagues and a majority of voters to legalize sports betting throughout the state. Republican gubernatorial candidate Walker Stapleton is so sure it’s happening that he’s already telling voters on the campaign trail how he would spend the tax money from sports betting. However, it’s far from certain that proponents can clear all the hurdles and make all the necessary deals in just a year’s time.