CALI, Colombia — With temperatures rising, American athletes did the same on the fifth and final day of IAAF World Youth Championships at Estadio Pascual Guerrero, where Candace Hill set a World Youth best of 22.43 to become the first American to sweep the sprint titles. Team USA started the day with three medals in 15 minutes and ended with six medals on the day, and a record 19 medals overall, eight of them gold.

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