

London OH Marathon
Race Date
Apr 11, 2026
Location
London, OH
Quick facts
- Date
- Saturday, April 11, 2026
- Location
- London, Ohio
- Distance
- Half marathon (13.1 mi) + 26.2 Miles, 5K, 13.1 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 641
The Experience
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. Format: The full and half marathon race events will start promptly at 7 am and the 5K at 7:15 am. The course will remain open for 5 hours after the last competitor starts. Course: The start and finish will be located at Merri-Mac Park. All course maps can be viewed here. The flat, tree-lined scenic rails will take you toward Darby Creek Metro Park. The full marathon repeats the course twice. Did we mention this race is flat? It is crazy flat! 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. Both the marathon and half-marathon courses are USATF certified! This course is perfect for that PR or BQ attempt! YES! London OH Marathon: OH25006JHP London OH Half Marathon: OH25005JHP Perks: 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. All full marathon runners will receive a full-zip London OH Marathon lightweight hooded sweatshirt, a finisher medal, and swag from local businesses. All runners who BQ at the 2026 London OH Marathon will receive a free nontransferable race entry to any of our 2027 races! Packet Pick up and event expo: Packet Pickup will be from 4-8 pm on Friday, April 10th, at the Nook Coffee Bar @ 25 S Main St London, OH 43140 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: https://help.runsignup.com/support/solutions/articles/17000062922-transfer-to-another-event
Logistics
Race Day
Saturday, April 11, 2026
Start Time
7:00 AM
Giveaway
Race garment
Start Location
Merri-Mac Park, London, OH, 43140
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
USATF Certified Course
OH25005JHP · London OH Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Standout745 years running
~149 finishers a year
shrinking
22% returning runners
USATF certified · 4 timing sources
runners from 9 states
winner 1:05:22
typical high 62°F
Race Day Weather
5-year historical avgStart (Low)
43°
Afternoon (High)
62°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
14 mph
Wind
67%
Humidity
Historical Finish Times
How 641 finishers actually crossed the line across 5 years.
Most recent
2025
Total finishers
641
Median time
2:11:07
Latest turnout
141
States
18
Turnout by year
2021–2025
Hover the histogram to inspect specific finish times.
Frequently asked
When is the London OH Marathon?
The London OH Marathon was held on Saturday, April 11, 2026, starting at 7:00 AM.
Where does the London OH Marathon take place?
It takes place in London, Ohio.
What distances does the London OH Marathon offer?
The half marathon (13.1 miles), plus 26.2 Miles, 5K, 13.1 Miles.
Is the London OH Marathon course flat and good for a PR?
The London OH Marathon is a ultra-flat, loop course course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the London OH Marathon?
HalfRuns has finish records for 641 runners who have completed the London OH Marathon.
HalfRuns editorial — independent, no paid placement.
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