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