Pacing of an Untrained 17-Year-Old Teenager in a Marathon Attempt Although there is an increased scientific interest in physiological reactions to endurance training, there is limited information for teenagers who participate in endurance competitions. We report on the case of an untrained 17-year-old female teenager (50.6 kg, 167 cm, Body Mass Index 18.1 kg / m2), which did not want to complete a marathon within 6 hours without preparation. The young woman missed her goal only 2 km.When the average running speed an hour has been analyzed, there was a main influence of the race lesson on the running speed, with the running speed in the fifth hour lower in the second hour. Despite a progressive decrease in running speed, it was still able to start a final spurt, which can be represented by a non-linear regression fourth degree. After five days, the creatine kinase reached the original value and the trash of hemoglobin and hematocrit showed an expansion of the plasma volume. A marathon as a teenager to run the physical health did not affect, especially when a self-dialed pace was chosen. Laboratory parameters during and after running similar changes as they have already been described for adolescents and adults after a marathon. Increased values fell back to the starting value within a few days.
In summary, it can be said that a female adolescent at the age of 17 without specific running preparation in six hours of continuous run without health impairment can almost reach a marathon track. The whole case report can be found under https://digitalcommons.wku.edu/ijes/vol11/iss6/14/