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