A new chapter in A Balance of Fire and Light has just released

Past Mistakes are both repeated and feared. Confidence and mistrust can equally cause trouble, but friends can at least help if you lean on them in times of need.
Rainbow Dash's marathon to Canterlot has come, and she's eager to test herself against Big Mac and Applejack both. As the race starts, she and Applejack quickly put ground between themselves and the rest of the ponies. Confident in their only true rival posing a challenge.
Twilight, eager to support her friends sees them off in Ponyville. However she will not see the winner at the end. A reminder of her mistakes staring back at her whenever she looks in a mirror.

In the next Chapter: The king is dead.