If you want to show each players' "race to" on the actual bracket, you will want to put their race under a Custom Value column under Menu > Manage > Players/Teams > Players.

Then you will go to Menu > Manage > Brackets/Round-Robin > Brackets.

Select your bracket.

Pencil to edit.

Under Public Visibility and Display Options, Choose that Custom Value column under Fields to show on bracket and match card.

You can also choose to show the results on the bracket. Same place under Public Visibility and display options. It's called Show results.

Video How to display race to and game results on the bracket.

You can also choose to show both together by choosing Wins"/" Race.

Which will look like this: