Raintree Athletic Club & Alive By Raintree - Fort Collins-based Health Clubs that merge technology with the latest fitness trends in a welcoming environment -Both offering tailored amenities for our Members and Guest. Stay in touch with RAC or Alive throughout your busy day. Check here for class schedules, special events, custom workouts, nutrition, promotions and more! You can sync this app with Apple Health App. If you enable this connection, any workout in the Health app with automatically be added to your Activity Calendar.