The last of the Army participants in the Summer Olympics wrapped up their events Saturday, finishing out of the medals one day before the end of the London Games. Spc. Dennis Bowsher took 32nd out of 36 athletes in the modern pentathlon, posting a score of 5324, more than 600 points off the gold medal-winning score posted by David Svoboda of the Czech Republic. It was the first Olympics to feature the event’s new format, in which the shooting and running portions are combined in a single, final event. Participants also compete in fencing, swimming and horseback riding, which didn’t…