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