A contest, match, competition, or athletic event — activities where participants compete under rules (including sports).
陸上競技の大会で100メートル走に出場した。
I participated in the 100-meter race at the track and field competition.
国際競技は選手にとって大きな挑戦だ。
International competitions are a big challenge for athletes.
オリンピックは様々な競技が集まる大会だ。
The Olympics is an event that brings together various sports.