simply....... no
Magikarp evolve at level 20.
Magikarp evolve at level 20.
You wait to evolve a Magikarp til level 100
Magikarp evolve at level 20.
Magikarp evolve at level 20.
Magikarp will evolve at Level 20.
Magikarp can evolve into Gyarados, starting at level 20.
Magikarp evolves into Gyarados at level 20
Magikarp evolves into Gyarados at level 20.
Magikarp evolves at LEVEL 20 to Gyarados.
Magikarp evolves at level 20.
I think level 100 but why don't you just go catch a gyradoas?