Kuthatha isikhathi esingakanani ukuhlolwa kwe-ultrasound?
Igama elithi ultra lisebenza kunoma yimuphi umjaho wokuhamba ngezinyawo omude kunomjaho wamahora amabili. Noma yimuphi umncintiswano ongahamba ngaphezu kwamakhilomitha angu-42 ubhekwa njenge-ultra-marathon, noma "i-ultra". Amanye ama-ultras alinganiswa ngebanga. Amabanga avamile angama - 50 amakhilomitha, 100 amakhilomitha, namamayela angu - 100. Amanye ama-ultra alinganiswa ngesikhathi. Emdlalweni we-ultra othathelwe isikhathi, abahlanganyeli bagijima ibanga elide ngangokunokwenzeka ngesikhathi esinqunyiwe kusengaphambili. Isibonelo esivamile se-ultras enesikhathi esinqunyiwe ifomethi yamahora angu-12, ifomethi yamahora angu-24, kanye nefomethi yamahora angu-48. Isigaba sesithathu semincintiswano yokugijima ngokweqile sibizwa ngokuthi "Umuntu Wokugcina Osemile". Lemincintiswano iphinda "i-yard" (loop) engamakhilomitha angu - 4 167 ihora ngalinye kuze kube yilapho umuntu oyedwa kuphela ekwazi ukuqedela iyadi eyedwa. Lowo muntu uba "owokugcina ophilayo".