If you have a potato as a PC, put the following text in the txt file under the Render.13 section in your Settings file at This PC > Documents > Overwatch >Settings (direct download)

By Natoramius

Use this to time your runs. (external link)

By People

Use this to record your runs. (external link)

By Some Guy

You can use this link to re-time your runs frame-by-frame for way better accuracy, especially for console runs. (external link)

By Matt Braddock