Josh Kerr and Jakob Ingebrigtsen will face off in the men's 1500m at the Ultimate Championship in Budapest. Kerr, the 2023 world champion, set a mile world record this year. Ingebrigtsen, the 2021 Olympic 1500m champion, will compete in both the 1500m and 5000m.

Both athletes expressed excitement for the event. Kerr aims to prove himself against the best, while Ingebrigtsen looks forward to racing. Their inclusion makes the field exceptionally strong, including Olympic and world champions. Read more racing coverage.

The field size has expanded to 13, with prize money adjusted. Tamberi, the world and Olympic high jump champion, will also compete. Hungary has been granted invitations for four athletes and two relay teams. Related: Ingebrigtsen Returns to Diamond League in Poland Showdown.

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