Here is the full list of all 12 Trailblazers achievements.
Complete all Story chapters.
Complete all Cup chapters.
Unlock all Tournament Tokens.
Unlock all Gold Tournament Tokens.
Finish a race in 1st place.
Finish 3 laps in a row in 2nd place.
Playing as Boo, finish in 6th place for every single lap of a race.
Playing as Volta, finish in 1st place in a one-lap race on Robo Ringway.
Playing as Empress, drive at max boost for 15 seconds.
Score the most Paint Points whilst on the red team on a city track.
Activate 50 Paint Gates in a Gate Chase race.
Finish a lap in 10 seconds or less on Robo Ringway.