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