LONDON - MAY 30: Athletes run in central London during a London 2012 Olympic marathon test event on May 30, 2011 in London, England.
Editorial use only
Editorial credit: Rob Wilson / Shutterstock.com

Royalty-free stock photo ID: 79543318

LONDON - MAY 30: Athletes run in central London during a London 2012 Olympic marathon test event on May 30, 2011 in London, England.