Kenya's Agnes Ngetich set a world record in the women-only half marathon.
She ran 1:05.15 in winning gold at the World Athletics Road Running Championships in Copenhagen.
Ngetich took a second off the previous world record, set by Peres Jepchirchir in 2020.
Kenya's Agnes Ngetich has taken a second off the women-only half marathon world record at the World Athletics Road Running Championships in Copenhagen.
Ngetich stopped the clock at one hour, five minutes and 15 seconds.
She pushed to the front from the outset in the Danish capital and led through to the end, finishing 50 seconds ahead of compatriot Veronica Loleo, who claimed the silver medal.
Rebecca Lowe was the best-placed Australian, running a personal best of 1:11.38 to finish in 51st position.
"My coach believed in me and told me that I could do it, that I could win the gold medal," Ngetich said.
"So, I am very happy and very grateful to now hold the world half marathon record, too."
The previous world record was set by Peres Jepchirchir, another Kenyan, in 2020.
The overall women's half marathon world record is held by Ethiopia's Letesenbet Gidey, who clocked 1:02:52 in 2021.
Gidey set her mark at the Valencia Half Marathon, which involved both women's and men's races.
Ngetich also helped Kenya win the team half marathon in Copenhagen.
The 25-year-old's triumph was the latest title she has won this year.
She was also victorious at the World Cross Country Championships in January.