London OH Marathon

Event Overview

The Merrimac Miracle Organization is pleased to host the 6th Annual London OH Marathon as a fundraiser for Merri-Mac Park. We are raising funds to further improve the park by adding play equipment, recreational paths, sports fields, etc.

Race Format

• Start Times: The full and half marathon race events will start promptly at 7 am and the 5K at 7:15 am.
• Course Duration: The course will remain open for 5 hours after the last competitor starts.

Course Details

• Location: The start and finish will be located at Merri-Mac Park.
• Course Features: The flat, tree-lined scenic trails will take you toward Darby Creek Metro Park.
• Repeat Loop: The full marathon repeats the course twice.
• Course Certification: Both the marathon and half-marathon courses are USATF certified.

Support Stations

Aid stations and port-o-johns are spaced at every 2-2.5 miles along the course. Aid stations are stocked with water, Gatorade, and GU gels.

Race Perks

• Half Marathon Swag: All half marathon runners will receive a high-quality soft vintage style race shirt with the London OH Marathon logo, a finisher medal, and special promotional offers from local businesses.
• Full Marathon Swag: All full marathon runners will receive a full-zip London OH Marathon lightweight hooded sweatshirt, a finisher medal, and swag from local businesses.
• BQ Bonus: All runners who BQ at the 2026 London OH Marathon will receive a free nontransferable race entry to any of our 2027 races!

Packet Pickup

2026 Packet Pickup details are TBD, we will finalize these details in the weeks prior to the event and be sure all registered participants are notified.

There will be race day packet pick up at Merri-Mac Park starting at 6:15 AM. Be sure to arrive early if you need to pick up your packet on race day!

Elite Athletes

This course is going to be crazy fast, and we’re looking for people who can light it up. Please contact Race Director David Mars at davidtmars@gmail.com for details. Elite entries will include a complimentary entry to the race and VIP accommodations on race day.

Elite Standards

• Male: 16:00 (5k), 33:30 (10k), 1:15:00 (1/2 marathon), 2:40:00 (marathon)
• Female: 19:00 (5k), 38:30 (10k), 1:28:00 (1/2 marathon), 3:00:00 (marathon)

Event Transfer

Through April 10, 2026, if you need to change your event, you can do so by following these instructions: Transfer Instructions.

Race Information

For more details about the race, please visit the official website: London OH Marathon.