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