The long run is an important element in marathon training. Recreational runners commonly try to reach a maximum of about in their longest weekly run and a total of about a week when training for the marathon, but wide variability exists in practice and in recommendations. More experienced marathoners may run a longer distance during the week. Greater weekly training mileages can offer greater results in terms of distance and endurance, but also carry a greater risk of training injury. Most male elite marathon runners will have weekly mileages of over . It is recommended that those new to running should get a checkup from their doctor, as there are certain warning signs and risk factors that should be evaluated before undertaking any new workout program, especially marathon training.