ultralytics/docs/en/reference/trackers/track.md

description	keywords
Explore Ultralytics documentation on prediction function starters & register trackers. Understand our code & its applications better.	Ultralytics, YOLO, on predict start, register tracker, prediction functions, documentation

Reference for ultralytics/trackers/track.py

!!! note

This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/track.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/track.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/trackers/track.py) 🛠️. Thank you 🙏!

---

::: ultralytics.trackers.track.on_predict_start

---

::: ultralytics.trackers.track.on_predict_postprocess_end

---

::: ultralytics.trackers.track.register_tracker