To add additional days to your heat schedule for a multi-day competition, navigate to "Scheduling" from within your competition dashboard, then "Time Blocks."

Select to View by Location, circled in red in the screenshot below.

To add days of competition, select +Add in the top of the Time Block ribbon. The below window will pop up, allowing you to add details and a description for the day of competition.

You can add rich details to the description of each day, including photos, relevant parking maps, embedded video, links, and more.