In pictures: Thousands take part in 2017 Great Manchester Run

Manchester not only boasts a population of over half a million people but it also offers visitors a wealth of activities to get involved with.
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Elite runners observe a minute of silence for the victims of the Manchester Arena bombing before the start of the Great Manchester Run in Manchester, north west England on May 28, 2017. Britain police have released CCTV footage of Manchester bomber Salman Abedi on the night of the attack as thousands defied the terror threat to take part in the Great Manchester Run on Sunday. (JON SUPER/AFP/Getty Images)
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Mayor of Manchester Andy Burnham heads to the finish line during the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)
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Runners dressed as Batman and Robin arrive at the start ahead of the start of the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)
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Runners gather at the start of the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)
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Participants run past armed police at the start of the Great Manchester Run in Manchester on May 28, 2017. Britain police have released CCTV footage of Manchester bomber Salman Abedi on the night of the attack as thousands defied the terror threat to take part in the Great Manchester Run on Sunday. (JON SUPER/AFP/Getty Images)
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Spectators, one in tears, watch the start of the Great Manchester Run in Manchester, north west England on May 28, 2017. Britain police have released CCTV footage of Manchester bomber Salman Abedi on the night of the attack as thousands defied the terror threat to take part in the Great Manchester Run on Sunday. (JON SUPER/AFP/Getty Images)
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A runner in fancy dress collects money for the victims of the Manchester Arena bombing at the start of the Great Manchester Run in Manchester, north west England on May 28, 2017. Britain police have released CCTV footage of Manchester bomber Salman Abedi on the night of the attack as thousands defied the terror threat to take part in the Great Manchester Run on Sunday. (JON SUPER/AFP/Getty Images)
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Armed police watch over runners close to the starting line during the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)
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Runners head to the finish line during the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)
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A woman in a Bee costume competes in the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)
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Runners warm-up ahead of the start of the Simplyhealth Great Manchester Run on May 28, 2017 in Manchester, England. Security in the city remains high since the Manchester Arena suicide bombing which killed 22 people on the evening of May 22 as concert goers were leaving the venue after an Ariana Grande performance. (Getty Images)