London OH Marathon

London, OH, USA · April 17, 2027

45°·56° high·Breezy·Dry

Weather

Race Day Weather

45°at start

62° high

Breezy

Dry

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Cool start, warming trend ahead

Runners will face a start temperature of 45°F, gradually rising to 61°F. With a max wind of 11 mph from the WSW, it will feel slightly cooler early on. Hydration will be key as humidity sits at 59%, so runners should adjust their pace and stay conservative in the early miles.

Race day forecast available in 169 days

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Distance: 26.2mi

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Race Info

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.

Website

Race weekend

Saturday, April 17

7:00 AMMarathon (26.2 mi)

Half Marathon (13.1 mi)

5K (3.1 mi)

Course Map

FAQ

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 Qualifier?

Yes, the London OH Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2027 London OH Marathon?

The forecast calls for a high of 66°F and a low of 46°F with a 10% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.