<iframe width="580" height="385" src="https://www.youtube.com/embed/VIofDt3vKZE?hl=en" frameborder="0" allowfullscreen></iframe> <br>Two separate runners, who both lost a leg in Afghanistan, competed in and finished the 121st Boston Marathon. <br><a href="https://www.youtube.com/watch?v=VIofDt3vKZE">source</a>