KATHMANDU: With the world climbers scaling different mountains in the spring climbing season, two climbers have set new records for their countries on different peaks above 8,000 m, according to the expedition organiser.

Beni Hojyu, a senior official at Cho Oyu Treks said that Peter Hámor successfully climbed Mt Dhaulagiri (8,167 m) on Monday becoming the first Slovak climber to complete all 14 mountains above 8,000 m without using supplemental oxygen. “Peter along with his climbing partner Michael Sabovčíkom stood atop the world’s seventh highest mountain in an alpine style,” she said, adding that Peter was the only climber in the world who climbed Mt Annapurna twice.

Peter Hámor became 17th climber in the world to complete all 14 eight-thousanders without supplementary oxygen. They were on their way back to the base camp, she said. After the successful ascent, Sabovčíkom posted on his facebook page that the climb was Peter's last and his first 8,000er.

The Slovak climber first climbed Mt Everest without bottled oxygen in 1998 while he successfully stood atop Mt Cho Oyu, Mt Annapurna and Broad peak in 2006, Nangaparbat in 2007, Ghasherbrum I and II in 2008, Mt Makalu in 2011, Mt Kanchenjunga and Mt K2 in 2012, Mt Lhotse in 2013, Mt Shishapangma in 2014 and Mt Manaslu in 2016.

In this undated photo, Romanian climber Horia Colibasanu takes a selfie at Mt Everest. Photo: Facebook

Earlier, Italian couple Romano Benet and Nives Meroi had climbed Mt Annapurna, their final 8000er, becoming the first couple to ascend all 14 peaks without oxygen support on Thursday.

The Cho Oyu Treks official also informed that Romanian climber Horia Colibasanu successfully climbed the world’s highest peak from Tibet side on Tuesday morning becoming the first Romanian climber to climb Mt Everest, his eighth 8000er, without using the bottled oxygen.

Horia made it to the roof of the world from north side at from at 6: 20 am, Hojyu said, quoting the climber as saying, “It was very, very hard, and very, very cold to reach the summit point after struggling for at least 20 hours in an alpine style.”

According to climbers, Dominik Müller of Amical alpin Expedition also stood atop the mountain from Tibet side this morning.