Is your feature request related to a problem? Please describe.
There is a desire (communicated by @Trebors2 via email) to highlight some participants at the beginning of the participants list.
Describe the solution you'd like
Add a field to the Event post type for featured participants which allows up to 6 people to be selected.
Describe alternatives you've considered
Randomizing the participants list was explored but provides a bad user experience for repeat visitors.
Additional context
Not applicable.