The best swimmers among female Ironman triathletes complete the swimming portion of the event in 50 minutes to an hour. At the World Championship, the cutoff time for all competitors is two hours, 20 minutes. Any participant who fails to complete the 2.2-mile swim within that time is eliminated from the competition.
There are two sources of this essential vitamin, including vitamin K1, or phylloquinone which is primarily found in green leafy vegetables and vitamin K2 or menaquinone which is synthesized by certain intestinal bacteria.
1. Fat-soluble vitamins are absorbed through the intestinal tract with the help of fats (lipids). Water-soluble vitamins do not get stored in the body for long-they soon get expelled through urine. Water-soluble vitamins need to be replaced more often than fat-soluble ones. Vitamins A, D, E and K are fat-soluble.Vitamins C and all the B vitamins are water-soluble. 2.at-soluble vitamins are absorbed through the intestinal tract with the help of fats (lipids). Water-soluble vitamins do not get stored in the body for long-they soon get expelled through urine. Water-soluble vitamins need to be replaced more often than fat-soluble ones.