You merge with the Speed Force, granting you superhuman abilities similar to Barry Allen, The Flash.
Your primary ability is super speed. You are faster than any other known speedster, able to move faster than the speed of light. Your reflexes and perception accelerate in proportion with your speed, you can channel this power to accelerate your mind even when you stand still.
There are also several ancillary powers, accelerated healing, electrokinesis, dimensional travel, and time travel.