Trainingforamarathonrequirescarefulpreparationandsteady...

問題詳情：

Training for a marathon requires careful preparation and steady,gradual increases in the length of the runs.  36  ,buy the best-fiting,best-built running shoes you can one can say which brand will work best for you or feel best on your feet,so you have to rely on your experience and on the feel of each pair as you you have found shoes that seem right,walk in them for a few days to double-check the fit. 37   always,you should stretch(伸展) at least ten minutes before each run to prevent injuries.

     During the first week,do not think about distance,but run five minutes longer each day. 38  ,it is wise to take a day off to during the next week,set a goal of at least a mile and a half per run. 39  r two weeks,start timing yourself.  40   nding on the kind of race you plan to enter,you can set up a timetable for the remaining weeks before the race.

r six days

B．For a good marathon runner

re you begin your training

each day,increase the distance by a half mile

they still feel good,you can begin running in them

spent for preparation raises the quality of training

you are ready to figure out a goal of improving distance and time

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CEADC

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