This The Last of Us 2 Walkthrough for Chapter 5: The Park – Tracking Lesson will help you follow the tracks and has locations for all collectibles including 3 Artifacts and 1 Coin.
The Park Walkthrough
Move forward, crouching under branches as needed to continue on your path until you reach the building ahead.
Artifact – Zoo Holiday Brochure
Go to the gazebo and pick up the note on one of the benches.
The gate/door nearby with the footprints is locked so you’ll need to find another way around. Head to the right and crouch through into the bathroom. Loot it for supplies. Pick up a throwable object and use it to break the window above the counter so you can climb up and out of there.
Coin – Virginia
Interact with the dumpster (furthest right) to pick up the coin resting on the rim.
Artifact – Thank You Card from Mel and Artifact – Owen’s Drawing
You automatically already have 2 artifacts in your backpack: Thank You Card from Mel and Owen’s Drawing of Abby.
Move the dumpster and climb it to get to the roof. Long jump to the other side then move ahead to slide down the roof to make it to the other side (over the locked gate/door).
Follow dad. Examine the fresh tracks when directed and investigate the bloody object ahead. Up ahead, some cutscenes will play. When these cutscenes are done, walk ahead through the red door and into the room ahead too.
After another cutscene, the next section will begin: The Stadium.