DJ Ultramarathones Competes 1 year post op Hip Resurfacing at Surface Hippy Posted on September 12, 2016 by Patricia WalterSeptember 10, 2018 Edwin P. Su, MD July 29 · Congrats to DJ, elite ultramarathoner, who just completed the Badwater 135, at 1 year postop. 135 miles in 35 hours — incredible!! He is truly “Back in the Game”!