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.

Kiplimo finished the race with a time of 56:42 and smashed the previous world record by 48 seconds, the biggest ever single improvement on the men’s half marathon world record. Prior to Kiplimo’s incredible run, Ethiopian athlete Yomif Kejelcha held the record with a time of 57:30.

Uganda's Jacob Kiplimo became the first person to run a half marathon below 57 minutes as he shattered the world record by 48 seconds in Barcelona. The 24-year-old ran 56 minutes and 42 seconds to eclipse Ethiopian Yomif Kejelcha's previous world record of 57:30 set in Valencia in October.

Uganda’s Jacob Kiplimo smashed the world half marathon record with a blistering time of 56 minutes and 42 seconds, shaving 48 seconds off the previous record.

Dubai: Jacob Kiplimo of Uganda has become the first person to run a half marathon in under 57 minutes after shattering the world record by 48 seconds in Barcelona at the weekend. Kiplimo, 24, ran the race in 56 minutes and 42 seconds,

To make matters even sweeter, this is the second time that Kiplimo has held the men’s half marathon world record. Before Kejelcha broke it by a single second last year in Valenc

Ugandan runner Jacob Kiplimo won the Barcelona Half Marathon on Sunday and set the world record with an official time of 56 minutes and 40 seconds. Meanwhile, Kenyan athlete Joyciline Jepkosgei broke her own Barcelona Half Marathon record after completing the race in 1 hour,