The Seamer youngsters shone yet again to take top spot at the event at Catterick Leisure Centre.
Over 200 athletes were vying for glory at the annual event, with events including relay races, vertical jump, standing long jump, chest push and others.
Seamer Primary School teacher Steve Staveley said: “The Seamer squad trained extremely hard together as a team.
“Their self-confidence improved dramatically after working together in fun practices.
“This was an unbelievable performance, winning the North Yorkshire final for the second consecutive year.
“A big well done to everyone involved.”
North Yorkshire Sport head of development George Cull congratulated Seamer.
He added: “Huge congratulations to all the athletes who took part in the event.
“Just qualifying for these finals was a great achievement, so athletes can be proud of their results.
“A special mention to the top three, who excelled.”