DCRRC: Belle Haven 1/2 marathon, Alexandria VA. Out and back on paved bike path to Mount Vernon. Wanted to run 7min pace as long as I could. Mile splits from bike path mile posts (453),634,712,648,658,716,(606)[45:47 at turn around] (220 pit stop) (552),721,714,709,654,646,(536) Finished 34/150