Election 2016: Campaign run-ins on the July 4th parade route

  • Then-Democratic presidential candidate Hillary Clinton greets spectators during the Clear Lake Independence Day Parade July 4, 2007 in Clear Lake, Iowa. Getty Images

    Sixteen months ahead of the 2016 election, the presidential field is already crowded with 19 candidates. They may come close to literally tripping over each other this holiday weekend, as they vie for attention in a few July 4th parades in a few key early-voting states.

    Both the Democratic and Republican candidates are taking the opportunity to show off their patriotism while conducting a little retail politicking -- though according to this 2011 Harvard study, it may help Republicans win over a few more voters than Democrats.

    Click through to see where the candidates will be -- and where they may potentially have some awkward run-ins with each other.