“They all loved Chris,” Delia said.They would run footraces, she said, in what she described as “mini-Olympics.

迪丽娅说，“他们都很喜欢克里斯，”有时他们会举行竞走比赛，迪丽娅称之为“迷你奥运会”。

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Most footraces, including the ING New York Marathon, don't test amateurs, including age-group winners, unless they finish at or near the top of the overall field.

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Another potential problem for footraces, Knaack said, is the prospect of having to conduct background checks on the thousands of volunteers these races depend on to staff things like aid stations, gear-check booths and the finish line.

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