marathon – n. a race that is about 42 kilometers long

sample – n. a small amount of something that gives you information about the thing it was taken from

doping – n. the use of an illegal substance or drug to improve an athlete’s performance

distance – n. the amount of space between two places or objects

famous – adj. known or recognized by very many people

admit – v. to express one’s guilt or responsibility

positive – adj. showing the presence of a particular germ, condition, or substance

substance – n. the material of which something is made

expert – n. a person with special knowledge or training

Now it’s your turn to use these Words in This Story. In the comments section, write a sentence using one of these words and we will provide feedback on your use of vocabulary and grammar.