Scamper

Transmutation
Level: Druid * 2, Hunter * 2, Ranger * 2
Components: V, S
Casting Time: 1 Swift Action
Range: close (25 ft. + 5 ft./2 levels)
Target: your animal companion
Duration: 1 round; see text
Saving Throw: None
Spell Resistance: no
  Your animal companion moves with astonishing agility and speed until the end of its turn. It can move at full speed while using Acrobatics, and it gains a Competence Bonus equal to twice your Caster Level (maximum +20 at 10th level) on Acrobatics checks to avoid Attacks of Opportunity or move through a square occupied by an enemy.