At a recent AngularJS DFW Meetup, I gave a demonstration of using Ionic Framework and Firebase to create a race tracking demo.
Several people asked for the code I used. I haven't gotten around to tidying it up and making it presentable for the world - too embarassed?
So, here's a substitute for now. It's just a simple Ionic Framework app using Leaflet.js.
You can follow the instructions on GitHub to create an installable app with it or just see a working demo here : http://ionic-leafletjs-map-demo.divshot.io/#/app/map
Let me know if you'd like to add some features or integrations.
Here are some screenshots: