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在中长跑项目中,其耐力有相当程度是由糖酵解供能决定的。换句话讲,中长跑项目的专项耐力是以糖酵解即通常所讲的速度耐力为特征。专项的距离越短,无氧代谢及混合代谢训练的比重就越大,对运动员耐乳酸能力的要求就越高。高水平的中长跑比赛,常常在最后20～30米才见分晓,第一名与最后一名差距也不过几秒。这就要求中长跑运动员必须要有良好的冲刺能力,而速度的提高又与力量训练是紧密相连的。中长跑运动员的力量训练不同于其他项目,必须体现其专项特点,才能带来专项能力的提高。
In the long-distance race, its endurance is due to a considerable degree of glycolysis power supply decision. In other words, the endurance of long-distance runners is characterized by glycolysis, which is usually referred to as speed endurance. The shorter the special distance, the greater the proportion of anaerobic metabolism and mixed metabolic training, the higher the ability of athletes to resist lactic acid. High level of middle and long distance race, often only in the last 20 to 30 meters only to see the difference between the first and the last but also a few seconds. This requires long-distance runners must have a good sprint ability, and speed and strength training is closely linked. The strength training of middle-and-long-distance runners is different from other projects and must reflect its special features so as to bring about the improvement of special ability.