3 Responses:

1. Peter Huesken says:

   3 years ago at 7:14 am

   Also, check this mashup by Andy Baio (adding screams and a soundtrack):
   http://tilde.club/~waxpancake/running/

   • J. Peterson says:

     3 years ago at 8:40 am

     The screams have the gender wrong. It needs "OOFS" and crunching noises.

2. CJ says:

   3 years ago at 9:56 am

   I found Waldo.