You are highly trained in skirmish ranged weapon tactics.
Prerequisites: Dex 13, Dodge, Mobility, Point-Blank Shot, base attack bonus +4.
Benefit: When using the attack action with a ranged weapon, you can split your move action in that round in order to move both before and after the attack, provided that your total distance moved is not greater than your speed.
Special: A Fighter may select Shot on the Run as one of his fighter bonus feats.
Source: Player’s Handbook (Page 100)