Sunita Williams walking in space
Sunita Williams has qualified for this year's 111th running of the Boston Marathon. But on April 16, the Needham native who is a NASA astronaut will be situated 200 miles above the earth's surface -- so she'll run the 26.2 miles on a treadmill aboard the International Space Station.
The Boston Athletic Association issued Williams bib number 14,000 today. Race Director David McGillivray sent the bib electronically to NASA, which will forward it to Williams.
The 41-year-old Williams, who qualified for the marathon when she ran a 3:29:57 in Houston last year, will be harnessed to a specially designed treadmill with bungee cords.
“I considered it a huge honor to qualify and I didn’t want my qualification to expire without giving it a shot,” Williams, who is expected to return to earth this summer, said in a statement.
"She thought it would be cool if she gave it a try," said Williams' sister, Dina Pandya, who will run the race the traditional way. "She said, 'I'll call you on Heartbreak Hill."'
Another NASA astronaut, Karen Nyberg, will dodge the potholes from Hopkinton to Boston's Back Bay on April 16 along with Pandya and almost 24,000 other runners. Although the race starts at 10 a.m. EDT on Earth, Williams might not be able to run contemporaneously because her sleep schedule -- a fairly arbitrary matter in space -- is set for the arrival of a Soyuz mission.
"I'm not sure the timing will be that she'll be awake," Pandya said. "They're going to be on Russian time, so they're kind of sleep-shifting."
Pandya didn't sweat the logistics when she signed them both up, but on Dec. 9 Williams took off on the space shuttle Discovery and it became clear she wasn't going to make it to the starting line. Williams is serving a six-month stint as a flight engineer on the ISS. She recently set the record for women’s spacewalking with more than 29 hours in space.
Race organizers have cooperated with far-flung endeavors like the "Boston Marathon in Iraq," sending extensive packages of trophies, water bottles and even a finish line tape to the Middle East for three years running. A similar shipment is headed for Kosovo this year.
But this is the first satellite race they've ever had on a satellite.
"The Boston Marathon is the pinnacle achievement for most runners," BAA spokesman Jack Fleming said. "For Suni to choose to run the 26.2 miles in space on Patriots Day is really a tribute to the thousands of marathoners who are running here on Earth. She is pioneering a new frontier in running and in sports with her run, which will truly be out of this world."
Williams, 41, has run a handful of marathons, and she went through rigorous testing before being blasted into orbit. But three months with little gravity takes a toll on a human, and NASA requires all members of a station crew to exercise on the treadmill, a stationary bike and a resistance machine to maintain bone density and muscle mass.
"In microgravity, both of these things start to go away because we don't use our legs to walk around and don't need the bones and muscles to hold us up under the force of gravity," Williams told the BAA.
Gravity remains a problem for the world's top marathoners as they trudge up Heartbreak Hill.
But Williams has her own problems.
A "vibration isolation system" built by a NASA engineer will keep her from shaking the entire space station as she runs, but the machinery puts a strain on the runner's hips and shoulders. She also has to be ready to abort her mission.
Running a marathon is a strain under normal conditions: the first person who ran one, according to Greek legend, dropped dead when he finished. Since then, thousands of runners have sought refuge from on-course aid stations and finish line medical tents to be treated for hypothermia and dehydration, blisters and broken bones and heart attacks.
Williams won't get so much as a mylar blanket when she's done.
"That harness gets hard on her back and her shoulders or her hips. Her foot was going numb because the strap was on her hip so much," Pandya said.
"She realizes that she has to be OK (after she's finished). She mentioned the other day, 'There's no hot bath."'
-- Craig Larson for The Boston Globe
Material from the Associated Press was used in this report.
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