Which is the best definition for blocks as it is used in this sentence?

the peachtree road race in atlanta, ga is the world’s largest 10k, boasting 55,000 runners who line up for blocks at 7: 30am to run down atlanta’s most famous street.

definitions:
1. a solid piece of a hard substance, such as wood, having one or more flat sides.
2. a stand from which articles are displayed and sold at an auction
3. a mold or form on which an item is shaped or displayed.
4. a measurement referring to the distance between intersecting city streets.

an argumentative essay presents objectively a topic and its main characteristics. besides, it states all this information and facts by giving authentic and substantiated proof to the audience. by contrast, a persuasive text purpose is to convince the audience about some facts by presenting them according to his/her emotions and feelings. the main purpose of a persuasive text is to convince the audience to agree with the author´s opinion. on the other hand, in the argumentative essay, the author leads the writer to recognize his/her point of view as the correct one.

showing or having an insensitive and cruel disregard for others. (so basically being heartless)

hope this : )