The goal for the Wii fit U run is all balance games, but in the leaderboards, the category does not exist.

You can find the rules on the bottom of the Relay rules: Rules For Wii Fit U All Balance Games: https://pastebin.com/7xLZnR4w

Yeah, we already know. Although we believe All Balance Games is a better choice for the Wii Series Marathon category as it's consistent to the rest of the Wii Fit Series' categories and is better to run in this kind of category than what the SRC leaderboard has to offer (Which isn't moderated by the main community, so it's completely different than the rest of them)

That's why there's a link to a custom ruleset for All Balance Games in the ruleset for the category, which as you can see Cedrik posted above ^^^