But beyond communication, public social networking can also help in nabbing culprits - it is well-known that in the Boston Marathon bombing, the photos taken by the public at the finish line of the marathon and posted on social network sites played a decisive role in tracking down the suspects.
Competitive sport brings winners clearly defined as first past the post, whereas a marathon race for civil rights can take a generation to come to fruition.
I didn't know you went to the marathon!!!!" While the Twitter posts offer a glimpse of the teenager's day-to-day life and musings, they do not provide clear answers to the question that President Obama asked Friday night, about why the attack took place.
This will be her first competitive outing since giving birth to her second child, Raphael, in September last year as she looks towards running an autumn marathon and posting the Olympic qualifying time of 2 31 00.
We are in the post-marathon age, when everybody knows somebody who has run a marathon.
"Authorities determined neither had any information or role in Monday's attacks at the Boston Marathon," the Post reported on Thursday.
The semiregular team gathering was a (somewhat) dry run for the real event: the post-marathon party that had become a tradition.
Once you start making concessions, who knows where it will end... 7.56am: Gary Naylor's dystopian view of the post-marathon future for our unlucky-in-26.3-mile-road-race princess: "So what's next for Paula?
Then, there's this guy: A Toronto fan who decided to play on the post-marathon bombing "Boston Strong" slogan and came up with the terrific idea to make a sign that said "Toronto Stronger," complete with a blue and white ribbon.
In any case, the post-Brexit marathon continues, and there's no telling where Scotland's priorities may lie in another four months.
In the 1999 FX Thanksgiving Marathon, containing fan-selected episodes, "The Post-Modern Prometheus" was presented as the "Best Stand-Alone Episode".
