To reiterate, the independent variable is the thing over which the researcher has control and is manipulating. In this experiment, the researcher is controlling the food intake of the participant. The dependent variable is believed to be dependent on the independent variable.
This grueling triathlon distance consists of a 2.4-mile swim, a 112-mile ride and a 26.2-mile run. Ironman pros post bike splits as fast as four hours and 15 seconds -- a more than 26 mph average pace, which gets all the press. You may wonder how more average mortals perform on the bike portion of the course so you can gauge your training and potential race-day performance.
The online non-profit resource Run Tri lists the average Ironman bike time as 6:25, or approximately 17.3 mph. This average includes both male and female athletes. This is about 50 percent of your total racing time, with the swim taking an average of 1:16, or 10 percent, and the run 4:54, or 40 percent.