Pace the Nation Chill, dawg – Pace the Nation – Katie Kellner By Pace the Nation Published April 2, 2019 at 8:00AM | Updated April 2, 2019 at 4:14PM Professional runner and online coach Katie Kellner talks about her own running and what someone should look for in a coach. Katie Kellner with D.C.’s Daniel Ginsberg Author Pace the Nation View all posts #Feature