Ideally a marathon runner should be doing 40 to 50 miles a week for at least three or four months before race day.
To understand the consequences of the Great Recession, consider this analogy: The U.S. economy is like a marathon runner who runs too hard and pulls a hamstring, but finds himself with another race to run.
He is a former marathon runner and university professor who in 1995 developed a severe form of sclerosis.
For both his friends and his foes, the main point is that he still indulges in extremes worthy of a street-fighter: he has a powerful ego, and is a former marathon runner who has lost (and regained) considerable amounts of weight.
The country's first pop disc jockey, Sir Jimmy was also a seasoned television presenter, marathon runner, Mensa member, wrestler and fund-raiser.
"Someone can walk up in the middle of the marathon disguised as a runner or a spectator, and we have no way of knowing, " Mr Marciani says.
Herbig, 44, may present a disarming exterior, but beneath it lies a will of steel: A competitive tennis player and marathon runner, she wasn't about to watch her company die without trying to save it.
We switched on the TV to watch the midnight countdown, but instead, a documentary about Canadian ultra-marathon runner Ray Zahab caught our attention.
She had taken part in the London Marathon in 1998 as a fun runner, but in April this year she knocked an hour off her previous time, finishing three minutes inside the Olympic qualifying time as the top British woman runner.
BBC: NEWS | UK | Wales | North West Wales | Island backs runner's dream
Reinemund, a lean former Marine and sometime marathon runner, is no junk-food addict, but says that his wife, Gail, who is a big fan of Fritos, would never be caught dead eating a reduced-fat version of the snack if it were available.
Now, the former marathon runner and football player is running six days a week, and spending time with his wife of 43 years.
Amateur runner Dean Irvine, recently completed a half-marathon and says before he started running he went to a specialty running store where the staff watch you run up and down the street outside so they recommend shoes that are correct for the runner's gait.
Former Patriots guard Joe Andruzzi, who carried an injured female runner to safety after the Boston Marathon explosions, displayed a jersey with the city's 617 area code and "Boston Strong" written on the front.
Each ran for a sick child or "training partner, " who tracked his or her runner's marathon progress from home.
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