Inclusion Criteria:  being able to read, understand and sign the information and consent form; being between 20 and 60 years of age at the time of consent; having a diagnosis of congenital heart disease with moderate or severe risk; being referred to the EPIC center in cardiovascular rehabilitation; being able to perform a maximal cardiopulmonary stress test and an exercise training program in accordance with current recommendations for cardiovascular rehabilitation; having Internet access.  Exclusion Criteria:  recent major cardiovascular events or interventions <3 months; uncontrolled mental or psychiatric disorder in the last 6 months; genetic syndromes affecting cognition; excessive alcohol consumption (> 15 drinks / week); current participation in other clinical trials; contraindication to stress testing and / or physical training; severe intolerance to physical exercise.