The Ashburn Area Running Club’s Loudoun Half Races, presented by Inova Heart and Vascular Institute – Schaufeld Family Heart Center, is proud to announce the fifth running of the Loudoun Half & 8k on April 21 and 22. The LoCo Challenge, an opportunity to run both the 8k and the Half Marathon, and the LoCo Mile will be offered again this year. Named the “2014 & 2015 Best Half Marathon of the Mid-Atlantic Region” by the readers of Competitor Magazine. Teams are welcome for the 8k and Half Marathon races. Register Here