Mont Blanc Rack If Someone Is Fit Enough To Run A Marathon Without Stopping, Will They Be Fit Enough To Climb Mont Blanc?

If someone is fit enough to run a marathon without stopping, will they be fit enough to climb mont blanc? - mont blanc rack

I'm not as fit, extremely inappropriate.

Target 2010: Great North Run without stopping

Objective 2011: London Marathon run continuously

Target for 2011 or 2012: The ascent of Mont Blanc and Mount Kilimanjaro.