About 100,000 students around the country participate in the program's competition series, which culminates in a national game-showstyle contest held each May.
2017年6月六级真题（第三套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
VERB
(以…)结束，告终
If you say that an activity, process, or series of events culminates in or with a particular event, you mean that event happens at the end of it.