Tokyo marathon champion Sara Shepichir and Flemisha Chek will attend the International Marathon in Shanghai.
Ethiopia's Tiest Tafah, a record three years ago However, they will have to prove their origins to the beginning.
Chepichirir said that he wants to participate in Nairobi for the first time this year. He is hoping he will shine in the 2020 World Championships and Olympic Games in Shanghai.
"I believe I would like to know how my body will react without such time, and I believe that it will help me get back again," said 34-year-old.
"But it will not leave me alone, because we have better runners than the lover who succeeds, how to make day and night tactics."
Meanwhile, former Commonwealth Games Champion Cuac has been beaten this year, and the NK marathon in March reached the 19th spot at 2:33:01 in March.
Cheyech, who completed the 71.04 in Eldoret Half Marathon in October, said: "Because I was injured in Japan, I have been facing long competition.
"We are ready for competition," she said. Shanghai is my next stop. I can run well and get a gold medal.
Ethiopia's ebbwew melase can be captured. Yellow River in Dongying, China, has been clocked at 2:27:47 to take the second place in the International Marathon at 2:19:36, while it took more than three minutes in Dubai to 2:27:47. This will be the third marathon match of this year.
Helen Tola Bekel, who celebrates her 24th birthday next week, is another woman to watch. After completing the 2015 season, Ethiopian has improved the best of every season, and recently it reduced Berlin 2:22:48.
A professional field masters have won the title, led by Kenya's former world record holder Dennis Kimeto. He is hoping to break the record of 2:07:14 in the 2015 World Cup record.
Kimoto, the second best runner ever, has not completed a marathon since April 2016. It was a performance of two years ago by Emrie Kipchoz's career best 2:02:57.
Ethiopia's Tsygi Mekonen (23) is the second fastest entry. Dubai Marathon won his best 2:04:32. His partner Saifu Tura is also in the field.
Ethiopia's Yitayal Atnafu, 2,800 in Houston Marathon's second Sub-2 runners, Abel Kipsang in Kenya, 2:07:30 at Shanghai and second and third in 2015 and 2016.