http://www.bmw-berlin-marathon.com/en/Until Tuesday, November 29th, 35,000 runners have registered for the BMW BERLIN MARATHON on September 30th, 2012. The participant limit is set at 40,000 which means that only 4,000 spots are left. Another 1,000 entries are available for an extra 42,195 euros which is a charitable donation for projects helping children (RTL Spendenmarathon). Registration had started October 20th. After four days almost 20,000 had registered.