Summer · Marathon · Flat
Flat Summer Marathons
21 marathons in Summer, courses FindMyMarathon has measured or described as very flat or mostly flat.
- Matching races
- 21
- With a confirmed date
- 19
Flat Summer Marathons
21 marathons, courses FindMyMarathon has measured or described as very flat or mostly flat.
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MISH Waterfront Marathon | Half Marathon | 10KGladstone, MIMarathonHalf Marathon10K ~93 runners Flat courseBoston Qualifier
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Charlevoix MarathonCharlevoix, MIMarathonHalf Marathon10K5K ~3,000 runners Flat courseBoston Qualifier
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Alaska Salmon Runs (King Salmon Marathon)Cordova, AKMarathonHalf Marathon10K5K +1 more ~250 runners Flat course
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Jack & Jill Marathon & HalfNorth Bend, WAMarathonHalf Marathon ~17,124 runners Flat courseBoston Qualifier
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Bound for Boston Marathon & Half Marathon - DenverDenver, COMarathonHalf Marathon10K5K ~150 runners Flat courseBoston Qualifier
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Bound for Boston Marathon & Half Marathon - MinneapolisMaple Grove, MNMarathonHalf Marathon10K5K ~150 runners Flat courseBoston Qualifier
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Bound for Boston Marathon & Half Marathon - MilwaukeeMenomonee Falls, WIMarathonHalf Marathon10K5K ~150 runners Flat courseBoston Qualifier
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Santa Rosa MarathonSanta Rosa, CAMarathonHalf Marathon10K5K ~4,000 runners Flat courseBoston Qualifier
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Nebraska State Fair MarathonGrand Island, NEMarathonHalf MarathonMarathon Relay5K +1 more ~700 runners Flat courseBoston Qualifier
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Millennium Meadows MarathonGrand Rapids, MIMarathonHalf Marathon10K5K ~600 runners Flat courseBoston Qualifier
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Sri Chinmoy MarathonCongers, NY Usually held in August · next date not announcedMarathon10K ~368 runners Flat courseBoston Qualifier
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Xenia Avenue Marathon & Half-MarathonBrooklyn Park, MN Usually held in July · next date not announcedMarathonHalf Marathon10K5K ~104 runners Flat courseBoston Qualifier
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Flat Summer Marathons by state
- Michigan (9) 7 upcoming races
- California (8) 4 upcoming races
- Montana (8) 8 upcoming races
- Utah (8) 6 upcoming races
- Colorado (7) 4 upcoming races
- Alaska (6) 5 upcoming races
- Idaho (6) 6 upcoming races
- Maine (6) 6 upcoming races
- Pennsylvania (6) 5 upcoming races
- Washington (6) 5 upcoming races
- Wisconsin (6) 4 upcoming races
- New York (5) 3 upcoming races
- Minnesota (4) 3 upcoming races
- Nebraska (4) 3 upcoming races
- North Carolina (4) 1 upcoming race
- Oregon (4) 4 upcoming races
More summer marathons
Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Flat Summer Marathons: common questions
- How many flat summer marathons are there?
- RaceRove currently lists 19 upcoming races with a confirmed date, plus 2 annual events whose next date hasn't been announced yet.
- How long is a marathon?
- A marathon is 26.2 miles (42.2 kilometres).
- How are these summer marathons chosen?
- They're courses FindMyMarathon has measured or described as very flat or mostly flat. Course and finisher data comes from FindMyMarathon's published race facts, not an internal ranking.
Search every marathon
Filter by state, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.