Here is the full list of all 25 Monster Jam Steel Titans trophies - there are 10 bronze, 6 silver, 8 gold and 1 platinum.
Finish a race without going off track
Purchase an upgrade part or Monster Jam Truck
Earn all trophies
Complete the tutorial
Place 3rd or better in the Outdoor Series
Place 3rd or better in the Arena Championship Series
Place 3rd or better in the Stadium Championship Series
Place 3rd or better in the World Championship Series
Reach a speed in excess of 99.1 mph (159.49 km/h)
Place 1st in any race on Steel Titan difficulty
Complete a Destruction Combo greater than 35x in Timed Destruction
Purchase all tier 5 parts on a Monster Jam Truck
Unlock all Monster Jam Trucks
Drive for over 100 miles (160.934km)
Jump a distance greater than 237.7 feet (72.42m)
Jump higher than 40 feet (12.19m)
Find all 50 collectibles
Hold a Wheelie trick for 150 feet (45.72m) or longer
Hold a Stoppie trick for 75 feet (22.86) or longer
Successfully perform 100 combos
Successfully perform an 11x stunt combo in Freestyle
Finish an event with a broken tire
Break two or more tires
Finish a race in first with no panels broken
Finish a race in first with all panels broken