H.C. Andersen Marathon

The H.C. Andersen Marathon (HCA Marathon) is a marathon in Odense, Denmark, which was established in 2000. 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.

HCA Marathon is the world's fastest marathon in 2019. On average the runners finish the marathon in just 3:51:22 which is just 8 minutes 50 second a mile. HCA Marathon is also the marathon with the cleanest air in the world. 

Course
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.

Course records

 * Men: 2:10.37 Luka Chelimo (KEN), 2012
 * Women: 2:30:48 Jerubet Perez (KEN), 2019