The 2026 H.C. Andersen Marathon has concluded.

H.C. Andersen Marathon

Race complete
Odense, Denmark · September 27, 2026
partly-cloudy-day55°·63° high·Windy·Dry
7
Register

Race Day Weather

partly-cloudy-day
55°at start
64° high
Windy
Dry
Your goal
0:00:00

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.

clear-day10
clear-day10
partly-cloudy-day8
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day6
clear-day7
clear-day7

Pace Calculator

26.2mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Common Goals:

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.

Race weekend

Sunday, September 27
10:00 AMHalf Marathon (13.1 mi)
10:00 AMRun the Last 10 (6.2 mi)
2:15 PMMiniMarathon (2.6 mi)
Area Map

Course Map

FAQ

When is the 2026 H.C. Andersen Marathon?

The 2026 H.C. Andersen Marathon will be held on Sunday September 27, 2026.

Is the H.C. Andersen Marathon a Boston Marathon Qualifier?

Yes, the H.C. Andersen Marathon is an official Boston Marathon qualifier.

What is the time limit for the H.C. Andersen Marathon?

The time limit for the H.C. Andersen Marathon is 6 hours.

What will the weather be like for the 2026 H.C. Andersen Marathon?

The forecast calls for a high of 64°F and a low of 39°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 6 years of data
Avg Temp
59°F
L:56° H:60°
RunScore
8
Conditions
Rain Freq
17%
1 of 6 yrs
Wind10mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
57°/63°-
7
2024
partly-cloudy-day
51°/57°-
9
2023
clear-day
58°/63°-
7
2021
cloudy
60°/65°-
6
2019
partly-cloudy-day
57°/57°Light
7
2018
partly-cloudy-day
54°/58°-
8