What you do is up to you, but all you have to do is go to the runs and click the three dots on the right side by your name and you’ll get two options to edit or delete your runs (don’t delete them, there’s no need to). This will work for already approved and pending runs.

As a note, changing anything on a run will require it to be re-verified by the mods so keep that in mind as that might change your choice of whether to edit every run or just wait for Google.