5K Runner is a free Android app designed by Fitness22 to help beginners train for a 5K race in just 8 weeks. The app is simple and easy to use, making it perfect for those who want to get in shape and burn calories. With just 30 minutes, 3 times a week, users can build up their endurance and stamina to go from being a couch potato to a 5K runner. The app offers alternating walk/run intervals, making it easy for users to follow along and track their progress.

The 5K Runner app can be used indoors, outdoors, or on a treadmill, and is ideal for those who are looking for a great way to boost their cardio and get ready for their first 5K race. The app features a human voice coach who tells users when to walk and run, and gradually increases workout segments over 8 weeks. Users can also listen to their own music while training and earn achievements and badges as they advance. Overall, 5K Runner is an effective and popular 5K run training app that is highly recommended by health and fitness experts.