The Pegasi race is descended from an ancient tribe of warriors. For centuries, they've held a grand tournament to test the mettle of their young. Every Pegasus at the age of 10 participates in the annual Solstice Run. Those who pass, survive. Those who fail, expire.

Rainbow Dash is not a failure. Rainbow Dash is a winner. And there is only one winner in the Solstice Run. Regardless of whether you achieve success or sacrifice, only one will triumph.

So what does that mean if one of your competitors is your best friend? What does that mean if she can't fend for herself? What does it mean if she loses?