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