Here is the full list of all 44 Race Maniacs achievements.
Win a race on the Dirt-track in career mode
Win a race on the Familiar track in career mode
Win a race on the Promenade in career mode
Win a race on the Ascents and Descents in career mode
Win a race on the Tracks Mixing in career mode
Win a race on the Circuit in career mode
Win a race on the Cross Track in career mode
Win a race on the Road Junction in career mode
Win a race on the Crazy Squares in career mode
Win a race on the Speedway Circuit in career mode
Win a race on the Service Area in career mode
Win a race on The Block in career mode
Win a race on the Neighborhood in career mode
Win a race on the Snaking Field in career mode
Win a race on the Pit in career mode
Win at least one race on each track in career mode
Win a race on Derby Car in career mode
Win a race on Dirt Bike in career mode
Win a race on Formula Car in career mode
Win a race on Kart in career mode
Win a race on Monster Truck in career mode
Win a race on Muscle Car in career mode
Win a race on Racing Pickup in career mode
Win a race on ATV in career mode
Win a race on Rally Car in career mode
Win a race on Sport Bike in career mode
Win a race on Sport Muscle Car in career mode
Win a race on Sprint Car in career mode
Win a race on Stock Car in career mode
Win a race on Street Racing Car in career mode
Win a race on Super Sport Car in career mode
Win a race on Racing Truck in career mode
Win at least one race on each type of vehicle in career mode
Come first in all races in career mode
Start your first season in career mode
Complete the season by 50% in career mode
Complete the season in career mode
Unlock all tracks and vehicles
Spend 5 minutes in races
Spend 30 minutes in races
Spend 60 minutes in races
Spend 300 minutes in races
Spend 6000 minutes in races
Spend 60 minutes in free race mode