Sonic & All-Stars Racing Transformed (PS3) Boost Challenges (Expert)

We be boosting at the speed of sound in these challenges set to the hardest difficulty level. 0:00 Roulette Road 2:30 Temple Trouble 5:13 Adder's Lair 8:52 Seasonal Shrines 11:36 Graffiti City 14:33 Sanctuary Falls