Your registration is essentially your ticket to participate and get tons of goodies, prizes, and fun. Most people will register as a fundraiser, which gives you your own page and link to share to get people to donate toward your fundraising goal. You can also join as a team to win extra team prizes and awards, and have an even greater impact!
There is also an option to register as a runner-only without creating a fundraising page for those who just want to run the 5K and get medal(s).
You'll also be able to register for the 5K, or for a 1 mile walk, or for a "Virtual 5K" if you aren't able to attend in person on June 19. Many people walk/run on their own beforehand and share their photos and results online.