Go Ride for

From Sands USA:

It is a tool for bikers of all experience levels to help you gauge your biking growth. It provides a Ride (Session) Journal, Goal Manager, and Graph mode. The Ride Journal keeps information about your ride such as what route was taken, how long, and how fast. In addition, notes can be maintained such as your mental state, weather, and general thoughts. The Goal Manager lets you set weekly or monthly distance goals. It will calculate the number of miles rode for that week or month so you can see where you stand in regard to your target. You may also keep notes about each goal. The Graph Mode gives you the choice of three bar-graphs in several variations to display your ride and goal history. You can graph recent rides, goal achievement, and goal history. You will see at a glance your progress.

Both rides and goals may be a mix of distance units. You may set your default units to either miles or kilometers. The main display will display exceptions to your default units with a "m" (miles) or a "k" (kilometers). Goals are always in terms of your default preference, and will convert rides as needed.