RunBetter App is a free lifestyle app available for iPhone users. Developed by RunBetter LLC, this app is designed to enhance your marathon training experience. With the RunBetter App, you can run actual marathon, half marathon, and portions of triathlon courses on any treadmill.

The app offers a selection of top courses, including all six non-Championship courses of the Marathon Majors, as well as the run portion of multiple triathlon courses like Kona, Oceanside 70.3, and Challenge Roth. This allows you to train for challenging hills and experience what the actual course is like.

One of the key features of the RunBetter App is the professional coaching program. Through an 18-week program, you can receive valuable coaching to improve your marathon training. The app provides alerts for incline changes along the course, displays time elapsed and distance covered, and offers running tips to keep you motivated.

For a small fee, you can access the complete library of courses with the Course Builder Subscription. The subscription costs $9.99 per month or $49.99 per year. Payment will be charged to your iTunes Account at confirmation of purchase, and the subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period.

Manage your subscriptions and turn off auto-renewal by visiting your iTunes Account Settings after purchase. Please note that any unused portion of a free trial period, if offered, will be forfeited when a subscription is purchased.

Overall, the RunBetter App offers a unique and immersive marathon training experience with its wide selection of courses and professional coaching program. Whether you're a seasoned runner or just starting out, this app can help you elevate your training and reach your marathon goals.