Save and keep track of all your runs. This application is compatible with both miles and kilometers. You just choose your preference under setting. The application will save your pace, time, run date and distance ran. You can also add a race name, the weather, and change the run date. There is a feature to post your results to Facebook. You select what you want posted. The information is all saved to your iPhone so no need to have an internet connection to save run info. The app will list your best times for each distance.
You can also email all your results in CSV format.
The application will keep track of your preferences. So you just need to enter them once.