CNN
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On marathon day, the air thrums with emotion. Tune into any frequency and you will find it – elation, anxiety, exhaustion, pain, pride, awe, pathos.
More than 56,000 runners will line up on the start line of the London Marathon on Sunday, each one with a different reason for being there.
Many find that motivation in running for the charities which have helped them or their loved ones during the darkest times in their lives – the London Marathon has raised over £1.3 billion ($1.7 billion) since its inception. Others find it by using running to control their physical and mental health, set themselves goals or try a new challenge.
For…
