10000 marbles rolling on a giant marble run _ Part 1

World Record Attempt: “Highest amount of simultaneously running marbles on one marble run“ Ortwin Grüttner attempts to put up a new world record, trying to run as many marbles as possible on only one marble run. The run measures 25 meters in length and has an approximate width of 50cm. On February 27th, 2015, a total of marbles (made of glass, measuring 15-17mm in diameter) were released on the run. Record conditions: The marble must be released before the first marble crosses the finish