Base Class: Rogue
The Zoomer is the most agile archetype from rogue. It can take fast and high dashes an jumps, climb and swim very fast. Convenient, no?
At 3rd level, you have your speed doubled. Whenever you grow up two levels, add 1 dexterity ability point. point. You have advantage in any dexterity rolls envolving acrobatics and strenght rolls envolving athletics.
Speed of Thunder
At 9th level, as a bonus action, you can run into your opponent and cause 1d4 damage without attack roll. After this, you return to your original position before the bonus action.
In 13th level, you can attack twice instead of once, whenever you take the attack action in your turn.
At 17th level, you exhale an aura who double your allies’ speed in an area of 90 feet and gives advantage in rolls of Athletics and Acrobatics.