Jacob Kiplimo breaks world half-marathon record in Lisbon

He clocked 57:31, only one second ahead of the previous record

Yalemzerf Yehualaw’s half marathon WR unratifiable due to course being short

She will have another attempt at the half marathon world record this Sunday at Valencia

Kalkidan Gezahegne breaks women’s 10K world record

The Olympic bronze medalist won the race in 29:38, five seconds ahead of the previous record