* Noun: This is the most common usage, referring to a group of people sharing common characteristics, such as ancestry, culture, or physical features.
* Example: "The race of humans is diverse."
* Verb: This means to compete in a contest of speed, usually on foot or in a vehicle.
* Example: "They raced their cars to the finish line."
* Verb: This can also mean to move or progress quickly.
* Example: "Time races by when you're having fun."
Therefore, you need to consider the context of the sentence to determine the part of speech for "race."