Upon completing a race, you are rewarded experience and Nitro Cash (money), depending on how well you do in the race (your place, WPM, and accuracy).
Below is a video of a Nitro Type race and an example of how you compete against other players.
In Nitro Type, you play as a race car that can only move when you correctly type the text displayed. Nitro Type helps make practicing typing on a keyboard fun by competing against other players over the Internet in real time. Nitro Type is a free online game created by Austin Butler from that was first launched on September 8, 2011, and later released from beta in January 2012.