''What just hit me! ''

Two Step

Beginning at 3rd level you gain a +1 to your dexterity per 10 feet of your movement speed, additionally you have advantage on all dexterity based checks (saves, skills etc)

 

Fast Pace

At 3rd level gain +2 to initiative and +5 movement speed. At 13th level gain an additional +10 to movement speed while wearing light or no armor.

In And Out

 

At 9th level, as a Action and Bonus Action you double your movement speed and charge at a target within that distance dealing your weapon damage plus additional 1d4 damage per 10 feet moved on a hit before immediately returning to your original location. This must be done in a straight line to build the momentum. This doesn't provoke attack of opportunity if the target or anyone in the area of the movement that hasn't gone yet in combat. You can make multiple attacks as a full round action if additional attacks are available to you however the additional damage only applies once 

Additional Attack

At 13th level gain an additional attack for a total of three attacks whenever you take the attack action

 

Crave

At 17th level Your inner speed accelerates your bodies natural healing ability granting you the ability to heal 3 hit points at the start of each round and your choice of either a +3  to initiative or advantage, however you must consume double the amount of food and water every short rest or triple every long rest or gain exhaustion and slow. Additionally your In And Out Feature's additional damage increases from a 1d4 to a 1d6