Here is the full list of all 29 SpeedRunners achievements.
Hit three oppenents with one fireball
Promote to the Beginner League
Promote to the Bronze League
Beat all Chapters on Unfair difficulty
Freeze three opponents with one ray
Beat the final Chapter in Story
Beat the third Chapter in Story
Block 10 golden hooks with crates
Deflect a fireball with a shockwave
Maintain superspeed for a full second
Beat the second Chapter in Story
Beat the first Chapter in Story
Reach max XP
Unlock Ranked matches
Grapple 100 opponents using the golden hook.
Tackle 10 opponents mid-air.
Use a bomb on two opponents at the same time.
Don't touch the floor for 10 seconds.
Don't touch the floor for 30 seconds.
Witness the SpeedRoulette.
Dodge the Golden Hook 10 times.
Block 10 Rockets with Crates.
Overtake 1000 opponents.
Grapple someone from far away.
Grapple someone who just grappled you.
Drop a Crate on an opponent's head 10 times.
Don't touch the floor for 5 seconds.
Shoot yourself with your own rocket.