The 30-minute barrier for the 10km road race has been broken.
Kenya's Joyciline Jepkosgei became the first woman to run under 30 minutes for a road 10km to win the Prague Grand Prix.
The 23-year-old ran in 29 minutes 43 seconds, beating her own record of 30:04.
She also broke the 15km, 20km and half marathon records in the Prague Half Marathon.