The neighborhood founder can enable this setting in the neighborhood house:
  1. Open neighborhood house;
  2. Tap on the edit button (the pencil icon);
  3. Select Race statistics - Show
After that, you can scroll to the bottom of the task board to see which tasks each member has accepted or deleted.

Also, you can see detailed race results in Race menu:
  1. Open Race menu and go to Season tab;
  2. Tap on the icon in the top left corner;
  3. There you will see detailed statistics for each week.