Runners will face a temperature rise from 41°F at the start to a comfortable 55°F by the finish. Winds from the ENE at 11 mph will provide a slight headwind throughout. With humidity at 75%, maintaining hydration and pacing conservatively is advised, especially during the warmer parts of the race.

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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 11

7:00 AMMarathon (26.2 mi)

Half Marathon (13.1 mi)

5K (3.1 mi)

Course Map

FAQ

When is the 2026 London OH Marathon?

The 2026 London OH Marathon will be held on Saturday April 11, 2026.

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 2026 London OH Marathon?

The forecast calls for a high of 61°F and a low of 41°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.