Why not just ask the guys at the office? If you're selling it someone should know what it does...

And since triathlon is swimming, running, and biking you could have just stuck with your original story of it taking 1/4 time off your usual bike ride... as opposed to the run story...

http://webcache.googleusercontent.com/search?q=cache:Znaio_4b6BAJ:forum.cyclingnews.com/showthread.php%3Fp%3D1552882+&cd=2&hl=en&ct=clnk&gl=us