User blog comment:Na299/Ways of Gold Farming/@comment-180.182.108.180-20150520015843/@comment-99.103.200.141-20150520021046

You can't redo a race over and over to build up gold pay outs, it's one completion per race task. Be sure to cloud save after each race and continue on to the next task, when you have completed the last race/task let it finish out and collect your river of gold.