Join the more than 18 million people who are using RunKeeper to turn their phone into a personal trainer in their pocket! Track your runs, walks, bike rides, hikes, and more using the GPS in your iPhone.

Track your fitness activities and have fun doing it

• - See detailed stats around your pace, distance, and time.
• - Get stats, progress, and coaching through your headphones with built-in audio cues.
• - Listen and control your music while you work out.
• - Measure your heart rate with many available sensors.
• - Take pictures along the way to share and save while you go.

Measure your performance over time

• - View a detailed history of your activities to see how you are doing.
• - Get notified when you hit new personal bests and milestones.
• - Measure your progress against your goals and targets.
• - Follow detailed plans to help you achieve specific fitness objectives.
• - Turn any activity into a route to do again later.

Share with friends

• - Post your activities, achievements and plans to Facebook, Twitter and your friends on RunKeeper.com.
• - Let supporters watch LIVE maps of your workouts and races as you go (must subscribe to RunKeeper Elite).

Get a broader picture of your health at RunKeeper.com

• - Integrate your activity data with more than 110 other apps and services including Fitbit, Withings, Garmin and many more, to get deeper insight into your overall health.

Note: Continued use of GPS running in the background can dramatically decrease battery life.