Which sentence uses a semicolon correctly?

The stadium is located next to the school; it does not take long to walk there.

We moved practice to the gym; after it started raining.

Before we go to softball practice; we have to finish our homework.

I need to bring the following things; my gym bag, my backpack, and your helmet.

The stadium is located next to the school; it does not take long to walk there.

The sentence that uses a semicolon correctly is: "The stadium is located next to the school; it does not take long to walk there."