From A Wiki of Ice and Fire
The Nightrunners are a clan of free folk who live beyond the Wall.
The Nightrunners fought with the Hornfoot people before Mance Rayder, King-Beyond-the-Wall, negotiated a peace.
A Storm of Swords
The Nightrunners join with Mance Rayder for his attack on the Wall.
- ↑ 1.0 1.1 1.2 A Storm of Swords, Chapter 15, Jon II.