Expeditious Retreat

Source: D&D 5.2 SRD Spells

Level 1 Transmutation (Sorcerer, Warlock, Wizard)

• Casting Time: Bonus Action
• Range: Self
• Components: V, S
• Duration: Concentration, up to 10 minutes

You take the Dash action, and until the spell ends, you can take that action again as a Bonus Action.