<iframe width="580" height="385" src="https://www.youtube.com/embed/4n7Sl3TIt4k?rel=0&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>1600 meter running workout plan | workout for 1600 meter | 1600 meter training . <br><a href="https://www.youtube.com/watch?v=4n7Sl3TIt4k">source</a>