BBC Sport - London Marathon: Million Reasons to Run - Stuart, Heather, Orin

Marathon Stories: Stuart, Heather, Orin

Meet three of the 39,698 runners taking part in the 2016 London Marathon.

This year someone will become the millionth person to finish the race in the 36 years it has taken place. Could it be Stuart, Heather or Orin?

WATCH MORE: A Million Reasons to Run

Top videos