1. PC
2. Coop and alone
3. any character

Under accessibility, you can set your sprint mode to HOLD or PRESS.
This is confusing grammar to use. You would think that HOLD means that you are only sprinting when you hold the button. However, if you then look at Keybindings it says Sprint Toggle. perhaps the keybinding label is matched with the wrong Sprint mode. Because when the mode is set to HOLD you only sprint when holding the button.

I noticed that HOLD mode doesn't always recognize when I'm holding the button. For example, sometimes when I jump I hold the sprint button down so that I continue sprinting when I finish the landing animation. It doesn't recognize the sprint button is being held. There seem to be a variety of things that interrupt the sprint and don't allow it to resume even if the sprint is being held down.