"These guys will have been on 12 to 16 week regimes to give themselves the competitive edge.
"It's a family that comes together, they follow each other and the support's amazing.
All Master Technicians must also complete Yamaha Marine University's Five Star Certification Program, an instructional DVD course followed by a series of tests.
Home to almost 5,000 events every year, Durham is a place rich with unique things to do.
Yamaha Marine Group announced today that Jami Miller of Pine Knot Marina in Big Bear Lake, Calif.
is the first woman in the history of Yamaha training to achieve Yamaha Outboard Master Technician status. Miller was one of only two in her class to pass the Master Technician qualification test.
Mr Orr said: "People come to see the competitors and the condition they are in.
They see that people can change their physiques over a period of time.
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The thing that's different here in Bolton is we bring the athletes right through the middle of the audience straight away, they see the whole class and the competitors can soak up the atmosphere.
From 1.15pm more than 100 athletes competed across 16 classes, ten men's and six women's.
"We really appreciate the support." The event raised £1,028 for the charity which was presented this evening.
For more information or to get involved in a future event call Ronnie Orr on 07545 294450 or Suzy Orr on 07979 695550.