• Dunkin Donuts serves to the runners 563 pounds of coffee in approximately 45,000 cups. 
• Poland Springs 93,600 eight-ounce bottles of water at the race start as well as 62,370 gallons of water along the course and bottles in the recovery bags at the finish.
• The Department of Sanitation collects 114.29 tons of litter, 6.34 tons of paper and 3 tons of metal, glass and plastic after the marathon. 
• The department deploys 173 uniformed sanitation workers as well as 20 supervisors to operate 39 collection trucks, 441 mechanical brooms, seven dump trucks, 21 push brooms and back pack blowers among others to clean up the refuse from the race.
• The New York Road Runners (NYRR), which organizes the NYC Marathon, has estimated that this year’s race will generate at least $350 million this year in revenue for New York City. 
• Last year, each of the marathon participants spent nearly $1,800, on average, during their visit to New York City, according to an economic analysis provided by AECOM.
• At least 2 million and upwards of 2.5 million spectators will line the course and cheer the marathon participants.
• 10,000 volunteers will assist the NYRR during the NYC Marathon.
• At the Staten Island Start Village, there are
• 33,000 Bagels
• 42,000 PowerBars
• 40,000 Garbage Bags
• 16,000 pounds of clothing are discarded by the runners and donated to charity
• 2,328 portable toilets line the course
• 52,000 PowerBars are distributed at mile 18
• 132 bands that play during NYC Marathon
• 72 UPS trucks transport the runner baggage from Staten Island to Central Park
• Brightroom Photography, the official NYC Marathon photographer, takes 50,000 photos of the runners

I found most of these stats in By the Numbers: 2011 NYC Marathon written by Matthew Wisner (http://www.foxbusiness.com/personal-finance/2011/11/04/by-numbers-2011-nyc-marathon/#ixzz1cyo7Ya00)