Overview

• The United States finished first in the medal table at the 20th edition in Tokyo.
• Samoa, Saint Lucia and Uruguay earned their first World Championships medals.
• Eight championship records fell, including Sydney McLaughlin-Levrone’s 47.78 in the 400m and Lilian Odira’s 1:54.62 in the 800m.
• American Melissa Jefferson-Wooden completed the sprint treble in the 100m, 200m and 4x100m relay.
• The men’s marathon produced the closest finish in championships history, with Alphonce Simbu edging Amanal Petros by 0.03 seconds in 2:09:47.