The phrase "race series" refers to a set of organized competitive races that involve participants competing in multiple races over a period of time, often accumulating points or prizes based on their performances. Full definition
The core offline career is a substantial offering split across six championship tiers of increased difficulty and commitment, with a satisfying variety of racing series in each. (theguardian.com)
Formula E is the best racing series for engineering feedback on our production cars. (autoline.tv)
That was after competing in a number of racing series around the world and winning about 50 percent of his races. (automobilemag.com)