The phrase "ending run" refers to the last stretch of something, usually a race or a task. However, there are several synonyms that can be used to describe this phrase and convey a similar meaning. For example, the term "finishing dash" can be used to indicate the final burst of energy and effort that is required to complete a task successfully. Another synonym for "ending run" is "closing stretch," which indicates the concluding portion of an event or competition. Other phrases like "final push" and "end spurt" can also be used to describe the same meaning of the phrase "ending run".