Prince Harry has urged runners to raise money for Heads Together organisation.
The 32-year-old royal has spoken out about the anti-stigma campaign and has invited long distance athletes off all ability who are participating in next year's London Marathon, which he titled "the marathon for mental health" to raise money for the charity.
Speaking in a video message, which has since been reported on the Evening Standard website, the flame-haired hunk said: "Congratulations if you have got a place in the Virgin Money London Marathon. I hope the first timers amongst you are more excited than scared.
"If you already have a place and are undecided who to run for, William, Catherine and I would like to invite you to run with Heads Together."
The campaign is set to raise awareness for people with mental health and will help to provide support to those battling with any form of mental challenges.
And Harry has revealed he is excited to support all of those competing in the annual event, which sees competitors run past Buckingham Palace as they dart to the finish line only a matter of metres away from the royal's London abode.
Harry has admitted himself, his brother the Duke of Cambridge, and his sister-in-law the Duchess of Cambridge will all be waiting for the runners at the finish line.
He said: "The three of us can't wait to cheer you on. See you at the finish line."
Meanwhile, Harry is also desperate to end to the stigma surrounding mental health.
Speaking previously about the trio's charity Heads Together, he said: "It's time we ended the shame around mental health - the fear of judgement that stops people talking or getting help."
Prince William, 34, vowed that himself, Harry and his wife Catherine, also 34, will do all they can to make it easy for those battling depression and any other form of illness to ask for help.
He said: "Mental health is not a dirty word. We all have mental health like we do physical health, good or ill.
"But not seeking help at those times when it all seems too much or we are depressed or anxious, can impact the rest of our lives. Put it simply the three of us want to make asking for help no longer a big deal."
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