https://docs.google.com/document/d/1Vsjy6TJAzjQye6aMS_xl5R0VBdO5LNGx305OK94AMOw/edit?usp=sharing

This Google Doc guide will show you two different ways that you can determine your time without loads. The first one is to use the autosplitter, which is what most runners do. The second one is to manually retime your runs, which is not recommended unless you can't use the autosplitter.