Doubling Up, the Rapid 71-Year Old Marathoner, and a Brutal Twilight Race. June 27, 2019June 27, 2019 tobyhallblog4 Comments This week in the Runners Corner I look at the benefits of running twice a day, get awe-inspired by a 71-year old marathon runner, and shy away from a leg-busting marathon best admired from afar.