Jade Jones, from Middlesbrough, won the female race. The 16-year-old's time was 6.14.9.
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If you have been affected by an issue related to mental health help is available 24 hours a day.
Family and friends filled St Mary's Church in Ponteland to pay tribute to Sally Allan, who went missing on Boxing Day.
Successful applicants will receive a year of training in search skills, radio communications, working with helicopters and winter skills.