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