You can turn your iPhone into a GPS tool to track your time, distance and speed using any number of cycling apps. Most of these apps are a lot cheaper than a dedicated bike computer.
5 Best Cycling Apps for Android and iPhone – Best Cycling Apps
The best cycling apps also include useful features like iPod support, Facebook and X (formerly Twitter) integration, and reporting charts. Here are a few you might want to consider.
Are you a runner? Check out our guide to the best iPhone running apps.
Under Armour's Map My Ride app lets you track all your essential cycling data, including time, speed, distance and elevation. The app also tracks heart rate data via a dongle that can be purchased separately. You can view bike routes on a map and sync your workout data to an online account at MapMyRide.com. Other features include X integration, iPod support and photo uploads.