For a sport that literally only requires shoes, there are sooooooo many things you can buy for a person who loves to run. Runners need places to put their sh*t, things to time their pace, cute gear to let drivers know they exist on the road, plus new shoes, and cute socks, and cold weather accessories. The options are honestly endless.
So if you have a friend who chooses to do a 5k for funsies, browse through these kick-ass options at all price points that will have your running buddy (or buddy who likes to run) jogging for joy. Behold.