tri means 3 penta mean 5
The triathlon has swimming, biking, and running as events
in the classic pentathlon the events are: standing long jump, discus throw, javelin throw, and Greco-Roman wrestling
in the modern pentathlon the events are: pistol shooting, fencing, 200m freestyle swimming, show jumping, and a 3k cross-country run
Triathlon is only 3 events : swimming , cycling and running.
Pentathlon is 5 events : shooting , swimming , fencing , equestrianism, and cross country running.
Different events. In pentathlon you run, shoot, fence, ride, and swim. In a triathlon you swim, run, and bike.
triathlon has 3 events pentathlon has 5...post this question on instaguff.com for better answers if mine is too short for you.