Women know how important it is to be safe when you're out and about. Some situations require more diligence than others, but you always have to be aware of what's going on, what you're doing, and where you are. It's sad, it's unfortunate, and it's ugly, but it's life.
1. Keep One Earbud out of Your Ear when Running
You need to be able to hear if anyone or anything comes up behind you. Vehicles and bikes are concerning. Aggressive dudes are annoying. Potential attackers are worse.