One way to create an event goal is by creating an event-based training plan.
If you are already on a plan and want to add a subgoal within your current plan you can do this in two ways:
In your agenda for the day of the event click on the plus icon and select Add event
In chat, simple ask LeCoach to create a new event in your agenda (explain name, the date, distance, course profile and whether this is a primary goal (RACE_A), medium priority (RACE_B) or low priority (RACE_C) event.