Uganda, Oct. 19 -- It was not Joshua Cheptegei's day but certainly Uganda's after teenager Jacob Kiplimo stunned the field to win the men's race at the World Half-Marathon Championships in Gdynia, Poland, on Saturday.

Uganda has risen fast in the conversation of long-distance running, thanks to world 10000m champion Cheptegei's four world records (WR) in the last 10 months.

But the day in the northern Polish city belonged to his younger counterpart Kiplimo, who won his first senior title in style over the 21km distance.

He conquered the 5km looped-course around at the renowned Kosciuszki Square and near the Baltic Sea to beat a field of 117 men with a championship and national record time of 58min and 49sec.

"I'm happy I have run my PB ...