1. A competition or contest where the competitors are very close in performance, score, or standing, with an uncertain outcome
The presidential election is expected to be a tight race between the two main candidates.
A eleição presidencial deve ser uma disputa acirrada entre os dois principais candidatos.
2. A situation where there is very little difference in the performance or position of competing parties
It's a tight race for third place in the championship standings.
É uma disputa acirrada pela terceira colocação no campeonato.