Ironman triathletes must complete the bicycle course at the World Championships in 10 hours, 30 minutes. The top women, however, will finish the bike race in about half that time. As with the swimming cutoff, failure to achieve the bicycle cutoff time eliminates the triathlete from the event.
In the past, the requirements for vitamin K only considered its classical function in coagulation; an RDA was given for vitamin K in the United States (54, 58) and a safe and adequate intake level was given in the United Kingdom (65).
Coagulation is the process in which blood forms clots. Vitamin K facilitates the function of several proteins, including those that are responsible for blood clot formation. It plays a vital role in cell growth and in the metabolism of bone and other tissues.Vitamin K and Blood Clot Formation. Blood clots through a process called the 'coagulation cascade'. It's referred to as a cascade as it involves a cascade of enzymes activating each other.t plays a vital role in cell growth and in the metabolism of bone and other tissues. Vitamin K and Blood Clot Formation. Blood clots through a process called the 'coagulation cascade'. It's referred to as a cascade as it involves a cascade of enzymes activating each other.