Just because you’re starting your first campaign doesn’t mean you have to start from scratch. If appropriate, talk to the person who held the office (or a similar office) before you – a few tweaks to tailor her plan might be all you need. It’s also possible that your local political party has a tried-and-true template for your campaign. It can’t hurt to ask!
There are also many great organizations that offer campaign plan templates and handbooks, from simple to complex campaigns. Following are a few resources that VoteRunLead recommends.