New Generation Fitness Watch

Watch on arm
Courtesy of Garmin

Forerunner 305 from Garmin offers an array of cool high-tech features for your workouts. In addition to the heart rate monitor, you'll get a high sensitivity GPS receiver that lets you collect more accurate data from your workouts.

You can easily use Forerunner to train for your next duathlon or triathlon using the multi-sport workouts feature that lets you seamlessly transition between sports without resetting the unit.

Once you are done with the workout, download the data to your computer and use the Garmin Training Center software to store and analyze fitness improvement over time. Prices from $300 at Garmin.