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