H.C. Andersen Marathon
Race Day Weather
Cool conditions, watch for wind
Runners will face temperatures starting at 56°F and peaking at 64°F, with high humidity at 78%. A steady headwind of 17 mph may affect pacing, so runners should consider adjusting their strategy accordingly. With the cool start, a conservative pace is advised to manage the conditions effectively.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for H.C. Andersen Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The H.C. Andersen Marathon runs through the streets of Odense, Denmark, named for the city's most famous native son. Marathon and half marathon runners start together at Odense Idraetspark and cover a flat loop course twice, finishing on the track inside Odense Atletikstadion. First held in 2000, the race added a half marathon in 2006 and a 10K, "Run the Last 10," in 2017. In 2019 the race was recognized as having the fastest average marathon finishing time in the world, at 3:51:22.