男主角為(wei)了(le)完成挑(tiao)戰,奔跑吧(ba)(ba)限(xian)踏上了(le)一輛老式自行(xing)車(che)(che),制(zhi)(zhi)(zhi)(zhi)版穿越險惡(e)森林(lin),騎自遇到(dao)了(le)各(ge)種(zhong)困難和挑(tiao)戰。行(xing)車(che)(che)他不斷奔跑,奔跑吧(ba)(ba)限(xian)騎行(xing),制(zhi)(zhi)(zhi)(zhi)版克服困難,騎自最終成功突(tu)破限(xian)制(zhi)(zhi)(zhi)(zhi),行(xing)車(che)(che)實現自我突(tu)破。奔跑吧(ba)(ba)限(xian)制(zhi)(zhi)(zhi)(zhi)版