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).
Vitamin D (found in milk, fish, eggs, and fortified cereals) promotes bone health. Vitamin E (found in vegetable oils, nuts, beef liver, milk and eggs) protects the body from free radicals. Vitamin K (found in green leafy veggies, fish, liver and vegetable oils) is necessary for blood clotting.