Strava has announced its acquisition of Runna, a UK company specializing in personalized running training plans and coaching.The acquisition brings together the largest fitness community with a leading app in the competitive running training space.Running is the fastest growing sport globally, and the demand for training plans has increased as athletes seek personalized guidance.Strava's plan is to keep the Strava and Runna apps separate and invest in expanding the Runna team and app development.