Photo provided to China Daily

The couple says the sport gave them many chances to experience life in China. The first sight of the Chinese eating frogs and rabbits astounded the couple.

"We love the Chinese people who are friendly and always show smiles to others. The most impressive thing was the sharp comparison between delicately built highways connecting tourism resorts and the old-fashioned baskets on women's back," Elina Ussher says.

"The adventure races usually are in remote and backward places. Life is hard but I saw many locals really enjoying their lives. That's something attractive to us. I don't think we'll come back if we don't like it here in China."

Adventure race is a sport that people cannot endure without faith in themselves and mutual trust between partners. Sometimes, the Ussher's two Chinese teammates are lost in the conversation because of language barriers but Elina Ussher says, "When we stand together as a team, any difficulties could be overcome."

Li Yingqing and Guo Anfei contributed to the story.