Here is the full list of all 16 Days of Thunder: NASCAR Edition trophies - there are 15 bronze and 1 gold.
Gain all Trophies.
Play your first multiplayer match.
Earn over 9000 points in Derby mode.
Complete a full career.
Unlock all sponsors.
Unlock all paint styles.
Max out a car's performance points.
Qualify for The Chase.
Use Focus 100 times in singleplayer.
Use Hammer 100 times in singleplayer.
Qualify for The Sprint.
Make your first million.
Unlock your first sponsor.
Win your first career race.
Qualify first for a race.
Start new career as a rookie.