What speed should I walk on the treadmill to achieve optimal results? Is there a standard pace that effectively engages the cardiovascular system while still remaining comfortable enough for a prolonged workout? Considering the myriad of fitness levels and goals, should I adjust my speed based on whether I’m aiming for weight loss, endurance, or simply maintaining general fitness? Is it advisable to start at a slower pace, perhaps around 2 to 3 miles per hour, and gradually increase it as I build stamina? Moreover, how do factors such as age, weight, and previous fitness experience influence the ideal walking speed? Are there particular techniques or methods I should employ to monitor my heart rate during the session? Could more advanced settings on the treadmill, such as incline adjustments, affect the perceived speed necessary for a productive workout? In what ways can listening to my body guide my speed decisions during my treadmill sessions?