Article Photos: EYES ON LONDON: Electric 100-meter dash coming up



Spain's Ainhoa Murua (45) leads a group of triathletes in the bike portion of the triathlon at the 2012 Summer Olympics, Saturday, Aug. 4, 2012, in London. (AP Photo/Jae C. Hong)

Spain's Ainhoa Murua (45) leads a group of triathletes in the bike portion of the triathlon at the 2012 Summer Olympics, Saturday, Aug. 4, 2012, in London. (AP Photo/Jae C. Hong)