Adolf led a one-two in the men's race, beating his compatriot Marton Kover by nearly 10 seconds in a time of 2 hours 2min 58.08sec.

Kover was close to his team-mate throughout but fell away in the final part of the 26.2-kilometre race.

Far behind the front two, Ukraine's Denys Davydov pulled away from Czech Republic's Jakub Brezina in the last five minutes of the race for bronze.

Roman Erlinekov of the Russian Canoe Federation was fifth.

"As a junior, I used to train at the same club as Marton, so It was such an honour to paddle alongside him, he is a legend in our sport," Adolf said.

"I just backed my sprint ability. 

"In the future, I will focus on Olympic events, but I want to keep competing in marathon."

Babak won the women's 15.4km race in a dominant performance, finishing more than a minute in front of second in a time of 1:21:01.53.

Volha Klimava of Belarus claimed silver, 16 seconds ahead of Hungarian Zsofia Kisban.

Bethany Gill of Britain and Spain's Jenifer Casal were fourth and fifth.

Babak, who now has six world titles by the age of 24, said: "This was a hard race because at the start it took me a long time to get away from everyone. 

"But I controlled all the stages. 

"My secret is doing a lot of kilometres on the training track."

Finally, in the men's junior K1 race, Csanad Sellyei of Hungary claimed gold by 11 seconds in 1:40:33.76, beating team-mate Bruno Kolozsvari.

Julian Salinas of Argentina was less than two seconds further back in bronze, after overtaking his compatriot Baltazar Itria.

South Africa's Joshua Smith was fifth.