The men's 400 metres event at the 2014 World Junior Championships in Athletics was held in Eugene, Oregon, USA, at Hayward Field on 22, 23 and 24 July.
24 July
Start time: 19:44 Temperature: 22° C Humidity: 46 %
23 July
First 2 in each heat (Q) and the next 2 fastest (q) advance to the Final
First 2 in each heat (Q) and the next 2 fastest (q) advance to the Final
24 July
Start time: 18:43 Temperature: 18° C Humidity: 56 %
24 July
Start time: 18:50 Temperature: 18° C Humidity: 56 %
24 July
Start time: 18:57 Temperature: 18° C Humidity: 56 %
22 July
First 3 in each heat (Q) and the next 3 fastest (q) advance to the Semi-Finals
First 3 in each heat (Q) and the next 3 fastest (q) advance to the Semi-Finals
24 July
Start time: 17:32 Temperature: 26° C Humidity: 39 %
24 July
Start time: 17:41 Temperature: 26° C Humidity: 39 %
24 July
Start time: 17:47 Temperature: 26° C Humidity: 39 %
24 July
Start time: 17:53 Temperature: 26° C Humidity: 39 %
Note:
IAAF Rule 163.3(a) - Lane infringement
24 July
Start time: 18:05 Temperature: 26° C Humidity: 39 %
24 July
Start time: 18:11 Temperature: 27° C Humidity: 39 %
Note:
IAAF Rule 163.3(a) - Lane infringement
24 July
Start time: 18:17 Temperature: 27° C Humidity: 39 %
Note:
IAAF Rule 163.3(a) - Lane infringement
According to an unofficial count, 50 athletes from 37 countries participated in the event.