What watches did Yomif Kejelcha wear for the half marathon world record?

An Amazfit Cheetah 2 Pro on his left wrist and a Whoop on his right, both visible in race photographs from Buenos Aires.

What is the half marathon world record?

56:51, run by Yomif Kejelcha at the Media Maraton Ciudad de Buenos Aires on 23 August 2026. It is pending ratification and beats Jacob Kiplimo’s 57:20 from Lisbon in March 2026.

Why did Kejelcha run with two fitness trackers?

The Amazfit is a running watch with a screen for live pace and distance, which he checked during the race. The Whoop has no display and records physiological data for later review.