Why Rubicon

"Crossing the Rubicon" has become a metaphor for going past the point of no return. 

Expedition Adventure Racing forces Teams to confront their mental and physical boundaries. When the decision is made to push into the unknown - each of us - in our own way "Cross the Rubicon". 

The ancient River Rubicon of the Roman Empire becomes an apt name for what we pursue.

http://en.wikipedia.org/wiki/Rubicon