Event Ideas:

Kids Fun Run: Market your event to families by having a fun run for kids.

Color Run: Add a splash of color to your event - literally - by covering your runners in colored powder as they cross the finish line.

Spin-A-Thon: Work with a local gym to host an indoor biking event.

Fundraising Ideas: 

Get sponsors for your event.

Charge a registration fee for participants.

Host a BBQ after your event.

Create and sell merchandise.

Ask friends and family to sponsor you.