Kejelcha Runs 56:51 in Buenos Aires to Snatch the Half Marathon World Record Back From Kiplimo
Yomif Kejelcha ran 56:51 at the 2026 Buenos Aires Half Marathon to break Jacob Kiplimo's 57:20 world record. How the record finally fell in South America.

Discover why many runners find ultramarathons less punishing than traditional marathons despite the longer distances. Learn how terrain, pacing strategies, community support, and mental approach create a surprisingly different experience between these endurance events.