After event day, you still have access to the platform as well as any past events you have participated in.
Upon logging into the platform, simply click on "Past Events" in the "Events" tab.
When going to the "Talent Profiles" tab, you will still be able to see all the profiles of talents who participated in any of your past events. You can filter for talents from specific events, and even send them an e-mail by clicking "Send message" on their profile.
Learn more about how to contact talents here.