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Race Overview
The London OH Marathon is held in London, Ohio, with the start and finish at Merri-Mac Park. The USATF-certified marathon and half marathon course runs along a flat, tree-lined route toward Darby Creek Metro Park. The race weekend also includes a 5K. The marathon is a Boston Marathon qualifying race.
WikipediaFAQ
When is the 2027 London OH Marathon?
The 2027 London OH Marathon will be held on Saturday April 17, 2027.
Is the London OH Marathon a Boston Marathon Qualfier?
Yes, the London OH Marathon is an official Boston Marathon qualifier.
What is the time limit for the London OH Marathon?
The time limit for the London OH Marathon is 5 hours.
London OH Marathon Course Map
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London OH Marathon Weather History
London OH Marathon Weather Averages
Average Temp: 50°, Average Low: 42°, Average High: 60°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM |
|---|---|---|---|---|---|---|
| Temp | 43° | 44° | 46° | 49° | 53° | 54° |
| Feel | 39° | 40° | 42° | 45° | 50° | 52° |
| Rain | - | - | - | - | - | - |
| Wind | 9mph | 8mph | 11mph | 12mph | 13mph | 11mph |
| Dew | 39° | 39° | 40° | 38° | 35° | 34° |
| RunScore |  | | | | |  |
London OH Marathon 2026
Apr 11, 2026
Clearing in the afternoon.
Low: 41°, High: 61°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM |
|---|---|---|---|---|---|---|
| Temp |  41° |  41° | 43° |  48° | 50° | 52° |
| Feel | 38° | 36° | 37° | 44° | 46° | 52° |
| Rain | - | - | - | - | - | - |
| Wind | 5mph | 8mph | 10mph | 10mph | 11mph | 5mph |
| Dew | 41° | 41° | 43° | 41° | 36° | 36° |
| RunScore | | | | | |  |
London OH Marathon 2025
Apr 12, 2025
Clear conditions throughout the day.
Low: 30°, High: 53°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM |
|---|---|---|---|---|---|---|
| Temp | 32° | 32° | 38° | 41° | 45° | 47° |
| Feel | 26° | 32° | 35° | 37° | 40° | 43° |
| Rain | - | - | - | - | - | - |
| Wind | 6mph | 0mph | 3mph | 7mph | 8mph | 7mph |
| Dew | 27° | 27° | 28° | 28° | 21° | 20° |
| RunScore |  | | | | | |
London OH Marathon 2024
Apr 20, 2024
Clearing in the afternoon.
Low: 41°, High: 52°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM |
|---|---|---|---|---|---|---|
| Temp | 41° | 45° | 45° | 47° | 50° | 50° |
| Feel | 36° | 39° | 38° | 40° | 50° | 50° |
| Rain | - | - | - | - | - | - |
| Wind | 8mph | 11mph | 15mph | 16mph | 22mph | 20mph |
| Dew | 31° | 31° | 30° | 25° | 22° | 20° |
| RunScore | | | | | | |
London OH Marathon 2023
Apr 15, 2023
Partly cloudy throughout the day.
Low: 54°, High: 81°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM |
|---|---|---|---|---|---|---|
| Temp | 57° | 57° | 59° | 63° | 70° | 73° |
| Feel | 57° | 57° | 59° | 63° | 70° | 73° |
| Rain | - | - | - | - | - | - |
| Wind | 9mph | 8mph | 11mph | 10mph | 9mph | 7mph |
| Dew | 54° | 54° | 54° | 52° | 52° | 50° |
| RunScore | | | | | | |
London OH Marathon 2021
May 29, 2021
Cloudy skies throughout the day with morning rain.
Low: 45°, High: 54°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM |
|---|---|---|---|---|---|---|
| Temp |  45° | 45° | 46° | 47° | 48° | 48° |
| Feel | 38° | 38° | 40° | 40° | 42° | 42° |
| Rain | light | - | - | - | - | - |
| Wind | 17mph | 15mph | 16mph | 16mph | 16mph | 16mph |
| Dew | 43° | 43° | 44° | 44° | 44° | 44° |
| RunScore |  | | | | | |