It's the Olympics.
Not everything goes according to plan.
That reality was in full effect on Day 1 of the 2016 Summer Games in Rio de Janeiro, where an American teen became a shooting champion, a Japanese gymnastics superstar experienced a human moment and a beleaguered boxing program began piecing together its competitive reputation.
We pieced together a list of some of the top early Brazilian surprises as things got underway, and we invite your suggestions and opinions in the comments section.