I [ran] around the track four times at the previous football game.

OR

I [have run] around the track four times at the previous football game?

2 answers

The first is right.

"Have run" would be used for action that occurred in the past and is still occurring.

I have run around the track four times.
Since it's an action that took place in the past and does not continue into the present, use the first one, the simple past.