Top New Zealand kayakers Mike Dawson, Luuka Jones and Louise Jull have completed their world championship preparations in style as they chase spots in next year's London Olympics.

Mike Dawson. Photo: Jamie Troughton Dscribe Journalism.

The trio all made their respective K1 slalom finals at the Czech national championships in Lipno, putting together strong performances ahead of next week's world titles in Slovakia.

Tauranga's Mike Dawson also grabbed another extreme race title to add to his growing collection at the same venue, winning the Teva Devils Extreme Race – billed as the European Extreme championships – on the Lipno River.

With the Czech selection races and a large number of top European paddlers in attendance, the event was the perfect build-up for the worlds and Jull and Jones both comfortably advanced to the final.

Jones finished ninth, which included a two second penalty for touching a gate, while Jull missed a gate entirely in her second run and the 50 second penalty dropped her back to 13th.

Dawson, meanwhile, also picked up a touch in his final, which dropped him back a spot into sixth.

His 98.69sec raw time was less than three seconds behind surprise winner Jiri Prskavec (Czech) who held off countryman and recent world cup winner Vavrinec Hradilek.

The Devils Extreme race was held downstream from the slalom site in conjunction with the slalom racing, meaning a busy day for both Dawson and Jull.

With Rotorua paddler and current world extreme champion Sam Sutton knocked out of the early rounds, Dawson was left to fly the Kiwi flag and he did it in style, holding off another local Viktor Legat to win the final.

Jull took second in the women's final, while Sutton's younger brother Jamie was second in the boater-cross final.