Having a planned timeline for your event can be helpful to keeping you organized. As mentioned at the start you should be obtaining a race permit and insurance first for your event. After that you can start moving forward with everything else in whatever order is easiest for you. Here is a suggested timeline of steps to take to complete your 5k event.
Step 1
Obtain Race Permit and Race Insurance
Step 2
Search for Sponsors and Determine Budget
Step 3
Step 4
Write Out a Plan/Timeline for your Before, During and After Event and What you Need Accomplished
Step 5
Start Working with Registration and Timing Logistics
Step 6
Obtain Various Items Needed for Event: Volunteers, Food and Drink, T-Shirts, Awards, etc.
Step 7
Start Marketing for your Event and Draw in Participants