But the wet track, marked by puddles, prevented him from lowering the world mark. The triple Olympic champion came up just shy in his first attempt over the rarely run 300m, which is not recognized as a world record distance by sports' international body. Bolt?s performance of 30.97 was only the second performance under the 31-second mark and the fastest at sea level.Running
"I probably went too hard in first 200 meters," Bolt said, before joking that he may not have been in the best physical condition for the longer distance.
Full event results here.
Video of the 300 here.
Bolt sets Ostrava meet record in 30.97 for the 300m
Bolt's appearance at the IAAF World Challenge in Ostrava, running the 300m hot on the heels of his 19.76 200m outing in Shanghai, was hyped as an assault on the World best of 30.85 set by Michael Johnson at altitude in Pretoria a decade ago.