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.
How long does it take to finish a Half Ironman Triathlon? The answer, based on our analysis of more than 67,000 finishers in 40 Half Ironman triathlons: about 6 hours, on average. Swim 1.2 miles in 45 minutes, Bike 56 miles in 3:00, and Run 13.1 miles in 2:15.