In table tennis (ping pong), you volley for serve. This means that after the ball passes back and forth three times, whoever wins the volley serves first.
A match shall consist of the best of three games or the best of five games.
In cricket there are three wickets on each side of the pitch.
The Ironman Triathlon – Swim, Bike, Run.
The Olympics medals are three:
1st place – gold
2nd place – silver
3rd place – bronze
Ways of advancing a football in rugby and football: run, kick and pass