American sprinters Kenny Bednarek and Melissa Jefferson-Wooden dominated the sprint events, securing the sprint double. Bednarek won the 100m and 200m, setting a world-leading time in the latter.

Great Britain’s Josh Kerr claimed victory in the men’s 1,500m after Norway’s Jakob Ingebrigtsen withdrew. Poland’s Klaudia Kazimierska surprised in the women’s 1,500m, outkicking strong competitors. Read more racing coverage.

Canada’s Marco Arop finished second in the men’s 800m, with Algeria’s Djamel Sedjati taking the win. The event rewarded winners with US$150,000 and paid all athletes for their performance. Related: Jefferson-Wooden completes sprint double at Ultimate Championship.

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