Tom Derderian

A marathon course runs 26.2 miles along an open road. Much tougher to secure than an arena with doors and walls. (Photo by Spencer Platt/Getty Images)

Marathon Officials Weary Of Difficult Task To Improve Race Security

With thousands — and sometimes hundreds of thousands — of spectators and entrants scattered along the route, there are limits to how much can be done to protect everyone, marathon officials, experts and runners cautioned.

04/17/2013

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