Our scary but inevitable future.
Released just ahead of the annual Great Wall Marathon, a new toilet-locating mobile phone app hopes to prevent the urine-soaked walls that blemished last year's event.
Themed for-profit road races like the Color Run are proving to be a challenge for many cities to manage.
Even a quick snap can cause a massive, dangerous runner pile-up, organizers say.
If there's an uplifting lesson from Boston, it may be the many people who will overcome the trauma of tragedy.
Race officials are reviewing security precautions with local police after the attacks in Boston Monday.
Apparent terror attacks at the finish line of the Boston Marathon.
Taking advantage of closed streets for a bike ride down carless streets – at 4 a.m.