H.C. Andersen Marathon

H.C. Andersen Marathon
Date	Late September
Location	Odense, Denmark
Event type	Road
Distance	Marathon, Half marathon
Established	2000
Course records	Men's: 2:10:37 (2012) Luka Chelimo Women's: 2:30:49 (2019) Jerubet Perez
Official site	H.C. Andersen Marathon
Participants	881 finishers (2021) 1,236 (2019)

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

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. [1]