Accordingly, a total of 172 athletes participating in the 100km Vietnamese Running Prize were held in Canh Thai district, Bach Ngan City, Gansu Province, China on May 22.
By about 13:00 pm, the incident occurred at the peak of the race from the 20th to 31st km by the weather suddenly changed. Hail and high winds appear, causing athletes to lose heat and communication also interrupted.

The competition immediately stopped and the rescue force must be present to find the missing person. On May 23, the rescue team of Gansu province said that 151 people were found, including 21 deaths and 8 injured. The cause of death is due to loss of heat, causing athletes to lose consciousness, heart failure.
Among those who died, there were super records running Chinese Vietnamese and Luong Canh. He was the one who won all three times to organize the previous Ultra Trail Bach Ngan.
One of the survivors recounted the horrific moment: “When the weather started to become gloomy and the cold breeze blowed stronger and stronger, we face the 'devil challenge'. The athletes must use both their feet and arms to climb up the height of 1000m in a length of about 8km.
The weather is so bad now. The hunch was not good, I immediately gave up to come back. But many others continue to race. On the way back, there were times when I felt distracted, distracted and almost fell out of the way. The feeling of low body temperature is really scary. “

The Gansu Provincial Government also apologized, took responsibility for the incident and sent condolences to the families of the athletes who died but could not ease the public opinion.
The tournament is organized on the rugged terrain along the Hoang Ha River, but the organizers do not have a thorough preparation of equipment, warm clothes, do not follow the weather forecast as well as the arrangement of human resources to do timely rescue work.