Though there will be dozens of competitions over what'll seem like countless hours of television for the next few weeks, there are certainly a handful of events in Rio de Janeiro in which interest is ratcheted up.
Some of it will be from star power. Some of it will be from anticipated showdowns.
Some of it will be from impossibly compelling backstories.
And some will be from a blend of all those factors.
Toward that end, we've assembled a list of the events that merge the three. Either the field is so impossibly loaded with talent that it's simply inevitable that you'll watch, or the competition between two or more individuals or teams is so close that it's compelling enough to tune in no matter your rooting interest.