Here is the full list of all 29 SpeedRunners achievements.
Beat the first Chapter in Story
Don't touch the floor for 5 seconds.
Drop a Crate on an opponent's head 10 times.
Shoot yourself with your own rocket.
Grapple someone from far away.
Unlock Ranked matches
Grapple 100 opponents using the golden hook.
Overtake 1000 opponents.
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.
Grapple someone who just grappled you.
Witness the SpeedRoulette.
Dodge the Golden Hook 10 times.
Block 10 Rockets with Crates.
Hit three oppenents with one fireball
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 second Chapter in Story
Beat the third Chapter in Story
Beat the final Chapter in Story
Beat all Chapters on Unfair difficulty