Kristin Armstrong will have an opportunity to chase her third straight time trial gold medal in Rio, perhaps the final chapter in a decorated cycling career spanning four Olympics and two brief retirements. Armstrong was chosen for the U.S. Olympic roster Thursday, joining a powerhouse women's road team that includes world bronze medalist Megan Guarnier, Evie Stevens and Mara Abbott. Armstrong stepped away from the sport after winning gold in London, but announced another comeback in time for last year's world championships in Richmond, Virginia. More...