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 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 (version 3.5), page 100.