Grahak Cunningham slipped past the halfway point of the race in 21 days+11:04:33. He is averaging 71.67 miles per day(115.34 km). Sarvagata Ukrainskyi ran 75.18 miles to become day leader, but he only gained six laps on the determined Aussie.By nightfall the humidity levels were lower and breathing was not a problem for any of the runners.