Alphonce Kigen and Everlyne Chirchir on sunday won the 20th edition of the Standard Chartered Nairobi Marathon.

The event that attracted more than 22,000 participants started and finished at the Uhuru Gardens along Langata Road.

In the men’s race, Kigen won in 2:10:18 ahead of Moses Mwangi who finished second in 2:10:26 with Patrick Kipchirchir settling for third in 2:11:59.

"The race was somehow comfortable and I did not face alot of competition. I believe with good training you can achieve good results," said Kigen.

Speaking after finishing m aking his debut over the full marathon, Mwangi was impressed with his second-place finish.

"I was making my debut and it has shown me I can make in marathon," said Mwangi.

On the other hand, Chirchir clocked 2:24:31 ahead of Martha Simiyu who finished second in 2:26:45 with Aurelia Cherotich coming home third in 2:26:49 in the Women’s race.

"I had prepared well for the last three months. Last year I won half marathon and this year I decided to try the full marathon. My target is to compete at the marathon majors," said  Chirchir.

Justus Kiprop took top honours in the men's 21km race after clocking 1:02:39 ahead of Jackson Kipleting (1:02:43) a d Asbel Kiplimo (1:03:02) who placed second and third respectively.

"I had trained very well and I was ready for today's race. I am happy to have won. I started racing last year and I am now looking forward to the next race," said Kiprop.

Iten-based Jackline Chelal reigned supreme in the women's half marathon after timing 1:11:18