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Flat Marathons in North America

There are 30 upcoming flat marathons in North America on the 42Cal calendar, from October 2026 through June 2027. They span 2 countries, including Canada, United States. Course elevation gain starts as low as 98 ft, with a median of 341 ft across the field.

30
Upcoming races
October 2026 – June 2027
Date range
2
Countries
341 ft
Median elevation

The Races

Oct 3, 2026
Registration Open

St. George Marathon

St. George, UT, United States
Marathon

Also: Half Marathon, 5K

See full guide
Oct 4, 2026
Registration Open

Maine Marathon

Portland, ME, United States
Marathon

Also: Half Marathon, 5K

See full guide
Oct 4, 2026
Registration Closed

Milwaukee Lakefront Marathon

Milwaukee, WI, United States
Marathon

Also: 5K, Half Marathon, Marathon, Half Marathon

See full guide
Oct 10, 2026
Registration Open

Eversource Hartford Marathon

Hartford, CT, United States
Marathon

Also: 5K, Half Marathon

See full guide
Oct 11, 2026
Registration Closed

Bank of America Chicago Marathon

Chicago, Illinois, United States
Marathon
See full guide
Oct 11, 2026
Registration Open

Cape Cod Marathon

Falmouth, MA, United States
Marathon

Also: Half Marathon, 5K

See full guide
Oct 17, 2026
Registration Open

Baltimore Running Festival Marathon

Baltimore, MD, United States
Marathon

Also: 5K, Half Marathon

See full guide
Oct 17, 2026
Registration Open

Garmin Kansas City Marathon

Kansas City, MO, United States
Marathon

Also: Half Marathon, 10K, 5K, Marathon, Half Marathon, 10K, 5K

See full guide
Oct 18, 2026
Registration Open

Detroit Free Press Marathon

Detroit, MI, United States
Marathon

Also: 5K, Half Marathon

See full guide
Oct 18, 2026
Registration Open

IMT Des Moines Marathon

Des Moines, IA, United States
Marathon

Also: Half Marathon, 10K, 5K

See full guide
Oct 18, 2026
Registration Closed

TCS Toronto Waterfront Marathon

Toronto, Ontario, Canada
Marathon

Also: 5K, Half Marathon

See full guide
Oct 25, 2026
Opening Soon

Niagara Falls Marathon

Niagara Falls, Ontario, Canada
Marathon

Also: 5K, 10K, Half Marathon

See full guide
Nov 1, 2026
Registration Open

City of Oaks Marathon

Raleigh, NC, United States
Marathon

Also: 5K, Half Marathon

See full guide
Nov 7, 2026
Registration Open

CNO Financial Indianapolis Monumental Marathon

Indianapolis, IN, United States
Marathon

Also: Half Marathon, 5K

See full guide
Nov 14, 2026
Registration Closed

Allianz Richmond Marathon

Richmond, VA, United States
Marathon

Also: Half Marathon

See full guide
Nov 15, 2026
Registration Open

Madison Marathon

Madison, WI, United States
Marathon

Also: Half Marathon, 10K, Marathon, Half Marathon

See full guide
Jan 10, 2027
Registration Open

Walt Disney World Marathon presented by State Farm

Orlando, Florida, United States
Marathon

Also: 5K, 10K, Half Marathon

See full guide
Jan 17, 2027
Registration Open

Chevron Houston Marathon

Houston, TX, United States
Marathon

Also: 5K, Half Marathon

See full guide
Jan 17, 2027
Registration Open

The Louisiana Marathon

Baton Rouge, LA, United States
Marathon

Also: Half Marathon, 5K, 10K

See full guide
Jan 31, 2027
Registration Open

Miami Marathon

Miami, FL, United States
Marathon

Also: Half Marathon, 5K

See full guide
Feb 13, 2027
Registration Open

Mesa Marathon

Mesa, Arizona, United States
Marathon

Also: Half Marathon, 10K

See full guide
Mar 7, 2027
Opening Soon

Napa Valley Marathon and Half Marathon

Napa, CA, United States
Marathon

Also: Half Marathon, 5K

See full guide
Apr 3, 2027
Registration Open

Greater St. Louis Marathon

St. Louis, MO, United States
Marathon

Also: Half Marathon, 5K

See full guide
Apr 24, 2027
Registration Open

Derby Festival mini & Marathon

Louisville, KY, United States
Marathon

Also: Half Marathon, 5K

See full guide
Apr 25, 2027
Opening Soon

Eugene Marathon

Eugene, OR, United States
Marathon

Also: Half Marathon, 5K

See full guide
Apr 25, 2027
Registration Open

Oklahoma City Memorial Marathon

OKC, OK, United States
Marathon

Also: Marathon, Half Marathon, 5K

See full guide
May 22, 2027
Registration Open

Essentia Health Fargo Marathon

Fargo, ND, United States
Marathon

Also: Half Marathon, 10K, 5K

See full guide
May 30, 2027
Opening Soon

Ottawa Marathon

Ottawa, Ontario, Canada
Marathon

Also: Half Marathon, 10K, 5K

See full guide
May 30, 2027
Opening Soon

Vermont City Marathon

Burlington, VT, United States
Marathon

Also: Half Marathon

See full guide
Jun 19, 2027
Opening Soon

Grandma's Marathon

Duluth, MI, United States
Marathon

Also: 5K, Half Marathon

See full guide

Compare These Races

RaceDateLocationDistanceElevationStatus
St. George MarathonOctober 2026St. George, United StatesMarathon152 mRegistration Open
Maine MarathonOctober 2026Portland, United StatesMarathon122 mRegistration Open
Milwaukee Lakefront MarathonOctober 2026Milwaukee, United StatesMarathon90 mRegistration Closed
Eversource Hartford MarathonOctober 2026Hartford, United StatesMarathon120 mRegistration Open
Bank of America Chicago MarathonOctober 2026Chicago, United StatesMarathon150 ftRegistration Closed
Cape Cod MarathonOctober 2026Falmouth, United StatesMarathon110 mRegistration Open
Baltimore Running Festival MarathonOctober 2026Baltimore, United StatesMarathon128 mRegistration Open
Garmin Kansas City MarathonOctober 2026Kansas City, United StatesMarathon350 ftRegistration Open
Detroit Free Press MarathonOctober 2026Detroit, United StatesMarathon40 mRegistration Open
IMT Des Moines MarathonOctober 2026Des Moines, United StatesMarathon91 mRegistration Open
TCS Toronto Waterfront MarathonOctober 2026Toronto, CanadaMarathon138 mRegistration Closed
Niagara Falls MarathonOctober 2026Niagara Falls, CanadaMarathon120 mOpening Soon
City of Oaks MarathonNovember 2026Raleigh, United StatesMarathon120 mRegistration Open
CNO Financial Indianapolis Monumental MarathonNovember 2026Indianapolis, United StatesMarathon302 ftRegistration Open
Allianz Richmond MarathonNovember 2026Richmond, United StatesMarathon149 mRegistration Closed
Madison MarathonNovember 2026Madison, United StatesMarathon120 mRegistration Open
Walt Disney World Marathon presented by State FarmJanuary 2027Orlando, United StatesMarathon266 ftRegistration Open
Chevron Houston MarathonJanuary 2027Houston, United StatesMarathon35 mRegistration Open
The Louisiana MarathonJanuary 2027Baton Rouge, United StatesMarathon90 mRegistration Open
Miami MarathonJanuary 2027Miami, United StatesMarathon40 mRegistration Open
Mesa MarathonFebruary 2027Mesa, United StatesMarathon87 mRegistration Open
Napa Valley Marathon and Half MarathonMarch 2027Napa, United StatesMarathon104 mOpening Soon
Greater St. Louis MarathonApril 2027St. Louis, United StatesMarathon90 mRegistration Open
Derby Festival mini & MarathonApril 2027Louisville, United StatesMarathon90 mRegistration Open
Eugene MarathonApril 2027Eugene, United StatesMarathon120 mOpening Soon
Oklahoma City Memorial MarathonApril 2027OKC, United StatesMarathon60 mRegistration Open
Essentia Health Fargo MarathonMay 2027Fargo, United StatesMarathon30 mRegistration Open
Ottawa MarathonMay 2027Ottawa, CanadaMarathon150 mOpening Soon
Vermont City MarathonMay 2027Burlington, United StatesMarathon107 mOpening Soon
Grandma's MarathonJune 2027Duluth, United StatesMarathon471 ftOpening Soon

Related Collections

Flat Half Marathons in North AmericaBoston Qualifier Marathons in North AmericaFall Marathons in North AmericaFlat MarathonsFlat Marathons in AsiaFlat Marathons in Europe

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