• about 5 to 30 times more energy (than contained) have to be invested in the production of food, depending on the type of food (meat: more energy intensive; wheat: best input/output ratio).

[source: http://www.sustainabletable.org/issues/energy/ ]

• By 2007, food-related activities were claiming 16 percent of the U.S. energy budget.

• over 80 percent of the increase in annual U.S. energy consumption was food related.

• Energy consumption by the food-transport sector jumped 24 percent between 1997 and 2002.

[source: http://www.grist.org/article/food-our-energy-gulping-industrial-food-system-in-eight-bullet-points/ ]

Steak (200g): 1000KJ x 20 (production) = 20.000 KJ = 20MJ Gasoline: 35MJ/l --> large steak = 1 liter of Gasoline

[source: wikipedia]

sitting idle: 70 Cal/hour sitting, talking on the phone: 100 Cal/hour walking: 150 Cal/hour jogging: 800 Cal/hour

[source: http://www.dietandfitnesstoday.com/caloriesBurned.php ]

Does a Marathon really make sense?

it’s not healthy, and it really burns a lot of Calories/Energy

~3000Cal per Person per Marathon -->

NYC Marathon (43k runners): 129 million calories; all Marathons (1 year: 1.3mio runners): 3.9 billion calories

1 elementary school lunch: 800 Calories

--> 157.000 / 4.75mio school lunches equivalent

[source: http://www.arrs.net/MaraList.htm (marathon numbers)]