I Wanna Run the Marathon is a free fangame that places characters from a range of different titles into a platforming adventure. Race your way between the worlds of Mario, Sonic, Pokémon and other well-known franchises; along the way, take part in minigames such as golf and fight an imposing set of bosses. I Wanna Run the Marathon is a game that will entertain players who want to try out something unusual and a bit silly.