[1] From 2006 onwards, the event has included a half marathon and from 2017 a 10K race "Run the last 10".

HCA Marathon is named after the Danish fairy-tale writer Hans Christian Andersen.

On average the runners finish the marathon in just 3:51:22 which is just 8 minutes 50 second a mile.

[1] The race is held on a round course, starting and finishing at Odense Idrætspark.

The course is run twice, and the finish is in the athletics stadium.