You could be considered to have an ameia disease. There are many different types. One can help malaria grow called hemmoragic anemia.
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
While you didn't provide any following sources, healthy sources of energy for humans are usually considered to be different types of fruits and vegetables, lean meats, wholewheat grains, nuts, seeds, and healthy oils. All these constitute a healthy human diet and are a healthy source of energy.
Short term memery loss, loss of balence, dizziness, and stroke are the main things to watch out for. Hope this helps you out. :-)