This program is free and allows you to enter in your weight, bike weight and other info about your bike and your power output.  You must also enter course data such as road conditions, wind and the position of any major grade changes.  The grade changes can be gotten from contour maps or an altitude sensor like theS710 or xtrainer plus.  The program uses finite element analysis to update your speed and distance traveled and has the ability to estimate the proper power output based on the course.  For example, you won't pedal down a hill as hard as you pedal up a hill.

There is a help menu and other features for you to learn what is takes to go fast.

A quiz was made from info found by this program.