New Zealand trampoliner Maddie Davidson completing her voluntary routine in Bulgaria at the World Trampolining Championships this month.

A dedicated young Christchurch trampolinist who has returned from her fourth international trampolining championship says the adrenaline rush from the sport was unlike anything else.

Maddie Davidson returned from the World Trampolining Championships in Bulgaria last week armed with two international awards for her routines, tirelessly perfected months ahead of the competition.

She was awarded silver for her individual routine and bronze for her synchronised trampolining with Auckland-based partner Kate Nicholson from Extreme Trampoline in the 17-21 age bracket.

SUPPLIED New Zealanders Maddie Davidson and Kate Nicholson took away the bronze for their synchronised trampoline routine at the World Trampolining Championships in Bulgaria this month.

"When you're competing you think 'why do I do this?' but you get on such a buzz from it. Nothing else from it gives you that feeling like getting off a tramp and finishing your routine."

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Davidson, 18, joined Christchurch's Olympia Gymnastics Sports club in Wigram a decade ago and was soon picked to play competitively.

JOSEPH JOHNSON/STUFF Maddie Davidson in 2013 off to her first World Trampolining Championships in Bulgaria.

Her first world championship was in 2013 when she was 15, again in Bulgaria, followed by Florida in 2014, Denmark in 2015 and this year's competition in Bulgaria.

Committed to daily training sessions, making up more than 20 hours a week, Davidson juggles her studies towards a bachelor of commerce at the University of Canterbury with three part-time casual jobs to help fund the sport.

"It's a pretty huge part of my life," she said.

"I've been balancing it my entire life through high school and everything."

The former Villa Maria College student has moved into the open international section, "the big league", and will see where it takes her. She said most competitive trampolinists strived for the Olympic dream.

"It's very difficult because it's a minority sport, to become a professional you have to have been to the Olympics to go anywhere," she said. "They only take 16 men and 16 women internationally. It's tough competition.

"You only get that one shot."

Coached by Alex Nilov for five years, Olympia Gymnastics Sports competition codes and coach manager Sandra Marcijasz said Davidson was a dedicated professional and a "great person".

"She's been with us sine she was like seven, now she's 18," she said.

"It's total dedication. She's very passionate and has a great, supportive family behind her."

Davidson said her family was incredibly supportive of her commitment to the sport and was "enjoying the ride with me."

In competitive trampolining, athletes perform acrobatics including jumps, somersaults and twists while bouncing on a trampoline.

Trampoline became an Olympic sport in 2000 and New Zealand Olympic trampolinist Dylan Schmidt was New Zealand's first athlete to compete in trampoline at the Rio Olympic Games in 2016.