There is no prize. Sorry, buddy.
In fuschia city, in the safari zone. Go to the very end of the safari zone and your prize is Hm surf
go in
You have to go to the underground guy in eterna city. Do what he tells you to do. First you go underground and then go talk to him. He will give you a lot of missions but at the end, you get a prize
GO to the bridge near fushia city and get the super rod there or go to the end of the safari thing and a man will give it to you as a prize or he'll give you strength i don't know it's been years
In fuschia city, in the safari zone. Go to the very end of the safari zone and your prize is Hm surf, which allows you to move across water.
Go to Kanto Game Corner and if you have 20000 coins go to prize section and you can get a porygon
go through the safari zone to the place where you get the prize it is hm03 surf
If you watch a Pokemon video go to the last part
Master Ball
You pay the SNORLAX the prize money and go to the Pokemon center you've bin to last.
At the pokeathlon dome, it's a prize. Go here: clover.top-forum.com Zygloman
Surprise, grand-prize, booby-prize.