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British astronaut to run London Marathon in space

A British astronaut on the International Space Station has set out to make history by becoming the first man to run a marathon in space. Astronaut Tim Peak will run 26.2 miles on a treadmill while following a video feed of the Digital Virgin Money London Marathon from the International Space Station.

According to Dr. Jonathan Scott of the Space Medicine Office at the European Space Agency treadmill running is a routine and important part of living in space.

"It's essential that astronauts stay fit and healthy to counter the effects of living in microgravity," he said. "If Tim did no exercise when he arrived on the ISS, he could lose as much as a quarter of his aerobic capacity after just two weeks of the mission."

While exercise is common on the space station, the length and intensity of a full marathon can present some unique difficulties. One such difficulty comes from the harness that Peak will be required to wear throughout his run.

"One of the biggest challenges I'll be facing is the harness system," Peak told BBC News. "In microgravity I would float if I didn't strap myself down to the treadmill, so I have to wear a harness system that's a bit similar to a rucksack." Dr. Scott explained that the harness can become uncomfortable after about 30 minutes, far less time than it typically takes to complete a marathon.

Peak completed the marathon on earth in 1999 with a time of three hours and 18 minutes and in 2007 United States astronaut Sunita Williams completed the Boston Marathon while in orbit with a time of four hours and 23 minutes.

The key to allowing the harness to accommodate the long run is balance, according to Scott.
"We have to find the right balance between loading, to create sufficient exercise intensity and comfort to allow him to run for long periods of time," he said.

While Peak is excited to "take it out of this world" while running in support of The Prince's Trust charity, he's limited his expectations for his performance. "I don't think I'll be setting any personal bests," he said "I've set myself a goal of anywhere between three and a half to four hours."

Credit: UPI.

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