Here is the full list of all 30 Star Wars Episode I Racer trophies - there are 15 bronze, 8 silver, 6 gold and 1 platinum.
Earn all trophies.
Reach 1000 MPH.
Complete Invitational Podracing Circuit.
Finish all races in first place.
Purchase all of the best upgrades.
Purchase your first upgrade.
Max out your Pit Droid Crew.
Repair your engines from "warning" back to stable as Anakin.
Taunt during a boost.
Reach 700 MPH.
Perform a boost.
Hit 10 enemies with Sebulba's weapon.
Win a race with Sebulba.
Complete a Mirrored Race.
Unlock Bozzie Baranta.
Unlock Slide Paramita.
Complete Galactic Podracing Circuit.
Unlock Sebulba.
Complete Semi-Pro Podracing Circuit.
Unlock Wan Sandage.
Unlock "Bullseye" Navior.
Complete Amateur Podracing Circuit.
Unlock Fud Sang.
Unlock Aldar Beedo.
Unlock Teemto Pagalies.
Taunt your opponents.
Complete a Boost Start.
Finish your first race.
Come in first place.
Set a new lap record.