Yes it is. It is because if the person who noticies it is not doing anything than you can jump in to save the day. hope this helps.
The 70.3 refers to the total of distance in miles (113.0KM) covered in the race,consisting of a 1.2-mile (1.9 KM) swim,a 56-mile (90km) bike ride,and a 13.1- mile (21.1 KM) run.each distance of swim,bike,run segments if half the distance of that segment in an ironman triathlon
Correct answer to your question is true