Jakob Ingebrigtsen and Jimmy Gressier face off in the men's 5km at the World Road Running Championships in Copenhagen. Gressier, the world 10,000m champion, holds a European record of 12:51. Ingebrigtsen, the Olympic 5000m champion, races after Achilles surgery.

The championships feature close to 500 elite athletes from 85 federations. Agnes Ngetich aims for a cross-country, road, and track treble. The event, first held in Riga, returns to Copenhagen after San Diego's withdrawal. Read more racing coverage.

The women's 5km includes Likina Amebaw, Caroline Nyaga, and Caroline Gitonga. The men's mile features Yared Nuguse, Robert Farken, and Jake Heyward. The women's mile includes Freweyni Hailu, Addison Wiley, and Sarah Billings. Related: Gressier Aims for Double Gold at World Road Running Championships.

This original Runner World brief is based on reporting from Athletics Weekly. Visit the source for its complete reporting, context and any later corrections.