<prompt> Qedela le nkulumo elandelayo:  <response>: Umqhudelwano we-UCI Track Cycling World Championships ka-2012 wabanjwa ngo-Ephreli 4. Abasubathi abangamashumi amabili nanye babambe iqhaza emncintiswaneni wokugembula. Lo mncintiswano wawunemijikelezo engu-60, okwenza ingqikithi yamakhilomitha angu-15. 