This is the medal for the Arbuckles to Ardmore Race for Mercy A2A Half Marathon that was held on March 3, 2013 in Ardmore, Oklahoma.
Here is another view of the medal along with the bib and sticker:
MORE PHOTOS OF MARATHON/ULTRA MEDALS AND BUCKLES
[Medal photos submitted by joshjfaulkern, follow him on Instagram @joshjfaulkner and by tobykeithweaver, follow him on Instagram @tobykeithweaver]