A first midnight marathon at a world championship saw Kenya's Ruth Chepngetich earn her first major gold on the floodlit Corniche tonight, clocking 2:32:43 in testing heat and humidity.

It was also the first gold to be won at the IAAF World Athletics Championships Doha 2019.

The 25-year-old became the third fastest ever in the women's lists in winning the Dubai Marathon in January in 2:17:08.

Bahrain's defending champion Rose Chelimo took silver on the seven-lap circuit in 2:33:46, 63 seconds back, and bronze went to Namibia's Commonwealth champion Helalia Johannes in 2:34:15.

At the age of 39 - she turns 40 on November 15 - Kenya's 2011 and 2013 world champion, and 2017 silver medallist Edna Kiplagat missed out on another medal by one agonising place having tracked the lead for the bulk of the race.

Volha Mazuronak of Belarus, the European champion who survived a massive nosebleed to win in Berlin, hung onto fourth place after a long solo run, clocking 2:36:21.

Forty-one-year old Roberta Groner of the United States claimed sixth place in 2:38:44, one place ahead of Japan's Mizuki Tanimoto.

North Korea's Ji Hyang Kim earned eighth place in 2:41:24, Lyndsay Tessier of Canada claimed ninth place in 2:42:03, and tenth place went to Un Ok Jo of North Korea in 2:42.23. (QNA)