11.   But some marathon runners say that their safety is sometimes at stake, too.

12.   But this summer Silva will lead a daunting trio of marathon runners.

13.   Career counselors are rarely marathon runners.

14.   Conventional wisdom says elite marathon runners should limit themselves to two marathons a year and should certainly not run more than three.

15.   Egnot, a willowy woman with the look of a marathon runner, muscled the six-foot steering wheel toward the start line.

16.   Every few miles, most marathon runners grab a cup of water, either for dousing or for drinking.

17.   Few professions require the stamina of a marathon runner, the voice of a radio announcer and the eyes of a hawk.

18.   For Jim Howley, the marathon runner, these worries may be real, but they are abstract.

19.   Five or six years ago, there were no Ethiopian women marathon runners, according to the national marathon coach, Yilma Berta.

20.   From marathon runners to martial artists, speed walkers to sports legends, Capitol Hill boasts a host of athletic lawmakers.