Marathoner died from natural causes - NBC Sports

Marathoner died from natural causes
True, 58, had enlarged heart that resulted in irregular heartbeat, autopsy says
May 8, 2012, 4:05 pm

Ultra-marathon runner Micah True died from heart disease while on a routine 12-mile run in late March in the mountains of southwestern New Mexico, authorities said Tuesday.

An autopsy report showed that True, 58, had cardiomyopathy and there was some enlargement of his heart, which can cause an irregular heartbeat during exertion.

The report said it was unclear what caused the heart enlargement.

The enlargement was particularly evident with the left ventricle, which was thickened and dilated. The left ventricle is responsible for pumping oxygenated blood to the rest of the body.

True had caffeine in his system and chemical tests revealed that he was mildly dehydrated.

Related: Marathoners' cardiac arrest risk quite low, study finds

True's body was discovered on March 31 along a stream in a remote part of the Gila Wilderness. The search for him began days earlier after he failed to return from a run. Friends theorized that he stopped at the stream to wash up after a fall while running through the rugged terrain.

True's girlfriend, Maria Walton of Gilbert, Ariz., has said True was hypoglycemic. She said last month that without proper nutrition, "he would get dizzy or feel lightheaded. Not anything life endangering."

Walton said True was a disciplined eater. He would occasionally splurge and drink two beers between the hours of 5 p.m. and 7 p.m. when he wasn't running. When friends would ask him if he had a vice, he would answer: "Vanilla ice cream," that Walton said came from a small market near where he died.

Remembered as a legend and an inspiration among runners, True, nicknamed "Caballo Blanco," was known for his big smile and infectious love of running.

He had been involved in ultra-marathons for years, but it wasn't until he became friends with the indigenous Tarahumara of northern Mexico that the direction of his life came into sharp focus. The Tarahumara are known for their extreme running prowess.

True would spend much of the year living among the Tarahumara, or Raramuri, as they are also known. It was in the canyons where True got rid of his running shoes, put on a pair of sandals and learned to run the way the Tarahumara do - easy, light and smooth.

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Friends said True was healthy, so his death came as a surprise.

"This is a guy who could set out with a little bag of ground corn, a bottle of water in his hand and be gone all day. The day before he died, he did a six-hour run," said Chris McDougall, a friend of True and author of "Born to Run." The book chronicles True's efforts to develop the Copper Canyon race and draw international attention to the Tarahumara way of life and their love of running.

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