train everything up to lvl 100
you have to train or hack alot just don't hack that's not good but train on higher lvls i know this because i am lvl 157
by killing monsters
Guards, Market, Jail, And Varrok Guards.
Moss Giants inside varrock sewers.
Train on Fir Giants at Baxtorian Falls. Note: this is a popular training spot.
mokey if you want to train prayer
You train. For a very long time.
You can train it by attacking jail guards or dueling other people with range or u can just attack high levels
Edgeville dungeon
flesh crawlers
you get agility exp and when you lvl up, you can run longer