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