London OH Half Marathon
London OH Half Marathon race day weather
Cool start — fast day potential, big temp swing
A cool 45°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temps will climb significantly to 61°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.
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About the London OH Half Marathon
The London OH Half Marathon starts and finishes at Merri-Mac Park in London, Ohio, and covers the course once. The route follows a flat, tree-lined rail corridor toward Darby Creek Metro Park. The course is USATF-certified and runs on the Saturday of race weekend, with the marathon and wheelchair and hand-cycle divisions starting alongside it.
