<prompt> Qedela umusho olandelayo: Ngokunqoba kwakhe emjahweni wamamitha angu - 100 wafanelekela ukumelela i - United States emjahweni wamamitha angu - 100 nasemjahweni wokugijima ngamamitha angu - 4 × 100 emincintiswaneni yomhlaba wonke ngalowo nyaka. Ezinyangeni ezimbili kamuva ngo-Agasti uBromell wancintisana  <response>: I-Pan American Junior Championships eMedellín, eColombia lapho ancintisana khona kumamitha ayi-100 naku-4 × 100 m relay. Wabeka indawo yesithathu emjahweni wamamitha ayikhulu ukuze athole indondo yakhe yokuqala yamazwe omhlaba, wabe esefaka i-United States ekunqobeni emjahweni wamamitha ayi-4 × 100 ukuze athole indondo yakhe yokuqala yegolide yamazwe omhlaba. 