<prompt> Qedela umusho olandelayo: Phakathi kwemidlalo eyisithupha yokugcina yosuku lwesishiyagalombili, eyokugxuma ezindaweni eziphakeme yamadoda yasiza ukugcwalisa inkundla okokuqala njengoba uMutaz Essa Barshim waseQatar anqoba umncintiswano wekhwalithi ephezulu wezwe elisingethe. UBarshim, uMikhail Akimenko no-Ilya Ivanyuk bonke bahamba ngaphambi kokuba lo msubathi wasekhaya abe ngowokuqala ukunqoba izwe lakhe igolide lokuqala kulo mqhudelwano. Emdlalweni wokugcina wamamitha angama-400 wabesifazane, abaseMelika uDalilah Muhammad noSydney McLaughlin baphenduka umjaho waba umjaho okwaholela ekutheni iqhawe lama-Olympic Muhammad libeke irekhodi lomhlaba lemizuzwana engu-52.16 ukuze livimbe uMcLaughlin oneminyaka engu-20 ubudala, owagijima isikhathi sesithathu esisheshayo. U-Lamecha Girma wase-Ethiopia wazama ukuvala umzila wokunqoba waseKenya emdlalweni wokugcina wamadoda kodwa waphuma emgqeni womqhudelwano ngoConseslus Kipruto waseKenya, owahlukanisa laba ababili ngemizuzwana eyikhulu. USteven Gardiner waseBahamas waba nomncintiswano onamandla wokunqoba kowamanqamu wamamitha angu-400 wabesilisa, waqeda ngaphezu kwesigamu sesekhondi ngaphambi kwabaningi futhi wabeka irekhodi laseBahamas lemizuzwana engu-43.48. Ukuba khona kukaGardiner kwakwenzeka kuphela ngenxa yomkhankaso womphakathi wokuqoqa izimali weqembu lakhe lesizwe, njengoba iSiphepho uDorian sasibhubhise isizwe saseCaribbean ngenyanga eyodwa nje ngaphambili. Umqhudelwano wabesifazane wokugcina we-discus wawungumcimbi waseCuba phakathi kukaYaime Pérez noDenia Caballero, lapho uPérez ekugcineni anqoba igolide ngomzamo wesihlanu womzuliswano ka-. Umqhudelwano wokuqala wamamitha angu-4 × 100 wabesilisa nabesifazane wabona abasubathi beqhuba irekhodi lase-Afrika, irekhodi laseNingizimu Melika kanye namarekhodi amathathu kazwelonke. UToshikazu Yamanishi wathatha indondo yegolide emncintiswaneni  <response>: ukugijima kwamadoda amakhilomitha angu-20 embuthanweni wasebusuku. 