Andreas Almgren and Conner Mantz, record holders in their respective continents, are entered for the Copenhagen Half-Marathon on Sept. 20, according to Marathon Handbook. Almgren holds the European record, while Mantz holds the American one.

Both athletes have not raced a half-marathon this year. Their best times are only 36 seconds apart, with Almgren's 58:41 and Mantz's 59:17. The Copenhagen race features a strong field with 18 runners under the hour. Read more culture coverage.

Almgren has focused on other races this year, setting the European 10K record and winning the European 10,000m title. Mantz, after setting the American marathon record, faced a sacral stress fracture, taking a long break from racing. Related: Sydney Marathon to Feature Reigning World Champions.

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