400米是速度与耐力要求较高的短距离运动项目。在青少年业余训练中,他们的身体发育尚未成熟,身体素质与专项能力还不能达到一定水平。如果训练方法不得当,容易造成过度训练,疲劳积累,就很难提高成绩。利用400米每100米的分段成绩,掌握每100米的速度分配,对提高成绩,增强运动员的自信心,培养拼搏精神是较好的训练方法。 400 meters is the high speed and endurance short-distance sports. In the amateur training for teenagers, their physical development is immature, and their physical quality and special ability can not reach a certain level. If the training method is not appropriate, easily lead to over-training, fatigue accumulation, it is difficult to improve performance. The use of 400 meters per 100 meters of the sub-grade, to master every 100 meters of speed distribution, to improve performance, enhance self-confidence athletes, fostering hard-working spirit is a better training method.