The half marathon world record now begins with a 56. Jacob Kiplimo of Uganda took a whopping 48 seconds off the previous record Sunday morning at the 2025 Barcelona Half Marathon, clocking 56:42 to become the first man to ever break 57 minutes. Afterward, he said he never imagined having the race he did: “That’s astonishing.”

Jacob Kiplimo shattered the half marathon world record with a blistering run on Sunday. The 24-year-old Ugandan was competing in the Barcelona half marathon where he became the first person ever to complete the distance in under 57 minutes,

Ugandan Jacob Kiplimo set a men's half-marathon word record on Sunday and also became the first runner to go under 57 minutes. The 24-year-old Kiplimo set a time of 56 minutes, 41 seconds at a road race in Barcelona,