Due to Steam celebrating the Steam Racing Fest (May 23 - May 30),
they have made a free badge (100 xp for Steam) for people to claim!
Go to Steam Racing Fest here then login your Steam account if you didn't do it yet.
Answer the following questions
Race Around the Clock
Richard Burns Rally
Check your message on the bottom then search the badge like the one showing in the pic:
Upcoming Section｜Congrats! Your trophy is in a section of the sale where you might try out racing games from the future.
Multiplayer Section｜Great job! You can find your trophy in a section of the sale where you might race on a dirt track with your friends.
VR Section｜Where you don't need wheels, but you do need a headset.
Click it and you get it free badge and free 100 XP for Steam!