This Achievement is titled, "Boyscout".
This achievement requires you to collect all badges across all of the events. There are three badges available in each event and you can view the badges at the bottom right of the screen upon selecting an event.
The badges are as follows:
St. Paul:
1.) Get gold and do a flying kick photo finish.
2.) Get gold and a total of 4 stomp takedowns across the event races.
3.) In the final race, get any medal and do not get powered up.
Quebec:
1.) Get a total airtime of 17 seconds.
2.) Get gold and a total of 5 blocks across event races.
3.) Get gold and a total of 4 stomp takedowns across event races.
Valkenburg:
1.) Get gold and a total of 6 stomp takedowns across event races.
2.) Get gold, perform 1 block, get powered up 5 times, and have 4 stomp takedowns across event races.
3.) Get a total airtime of 11 seconds.
Åre:
1.) Get gold and a total of 3 leapfrogs across event races.
2.) Get a total airtime of 16 seconds.
3.) Get gold and a total of 4 stomp takedowns across event races.
Munich:
1.) Get a total airtime of 18 seconds.
2.) Get gold and a total of 4 stomp takedowns across event races.
3.) Get powered up a total of 5 times.
Red Bull gives you wiiings and narcolepsy, but not this achievement. Sorry.