Is running past tense or present?

The given word "running" is a present participle, which is a form of a verb that ends in "-ing" and can function as either a verb or an adjective. When used as a verb, a present participle indicates an ongoing or continuous action. In this case, "running" is the present participle of the verb "run."

Examples of its usage:

- She is running a marathon tomorrow. (Ongoing or present tense action)

- Running is my favorite form of exercise. (Used as a noun)

- The running track is located near the park. (Adjectival use)

Therefore, "running" can be considered both present and past tense depending on the context in which it is used.