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May Half Marathons

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Trail Half Marathons (T)

May Half Marathons 2026

Official Walker Friendly Half Marathons in May

18:32 mile / 4 Hour Minimum course time limit= (W)

Symbol only applies to half marathon events

Does NOT meet the Walker Friendly 4 hour minimum (18:32 / mi) = Not Walker Friendly (NWF) 

Date
Saturday
May Half Marathons 2026

May 3, 2025

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May 3, 2025

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May 3, 2025

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May 3, 2025

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May 2, 2026

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May 2, 2026

​

May 3, 2025

 

May 2, 2026

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May 3, 2025

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May 3, 2025

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May 2, 2026

​

May 3, 2025

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May 3, 2025

​

May 3, 2025

​

May 3, 2025

​

May 2, 2026

​

May 3, 2025

​

May 3, 2025

​

May 2, 2026

​

May 3, 2025

​

May 3, 2025 (W)

​

May 3, 2025 (NWF)

​

May 2, 2026 (NWF)

City
State

Washington

​

Lewes

​

Boise

​

Frankfort

​

Indianapolis

​

Riceville

​

Topeka

 

Wells

​

Nisswa

​

Augusta

​

Shiprock

​

Grand Island

​

Brooklyn

​

Ne Bern

​

Gold Hill

​

Provo

​

Farmington

​

Triangle

​

Tieton

​

Kenosha

​

La Crosse

​

Ripon

​

Fish Creek

D.C.

​

Delaware

​

Idaho

​

Illinois

​

Indiana

​

Iowa

​

Kansas

 

Maine

​

Minnesota

​

Missouri

​

New Mexico

​

New York

​

New York

​

North Carolina

​

Oregon

​

Utah​

​

Utah

​

Virginia

​

Washington

​

Wisconsin

​

Wisconsin

​

Wisconsin

​

Wisconsin

Sunday
May Half Marathons 2026

May 4, 2025

​

May 3, 2026

​

May 3, 2026

​

May 4, 2025

​

May 4, 2025

​

May 4, 2025

​

May 3, 2026 (W)

​

May 4, 2025

​

May 3, 2026

​

May 4, 2025

​

May 4, 2025 (NWF)

​

May 3, 2026

​

May 4, 2025

​

May 3, 2026

​

May 4, 2025

​

May 3, 2026

​

May 4, 2025

​

May 3, 2026

​

May 4, 2025

​

May 3, 2026

​

May 3, 2026

​

May 4, 2025

​

May 4, 2025

​

May 3, 2026

​

May 3, 2026

​

May 4, 2025

​

May 5, 2024

 

May 5, 2024 (T)

​

May 3, 2025

​

May 3, 2025

 

May 3, 2026

​

May 5, 2024

​

May 4, 2025

​

May 3, 2026 (NWF)

​

May 3, 2026

Totem to Totem Half marathon     2025 Registration

​

The OC Marathon, Half Marathon & 5K

​

Bay Bridge Half

​

Windsor Half Marathon, 10k, 5k

​

Avenue of the Giants Marathon, Half Marathon

​

Visalia Half Marathon & 10k

​

Colorado Marathon, Half Marathon, 10k, 5k

​

Longmont Half Marathon & 5k

​

National Women's Half Marathon & 8k

​

Palm Bluff Trail Race 50k, 1/2 Marathon, 12k        2025 Registration

​

Chicagoland Spring Marathon & Half Marathon   2025 Registration

​

Des Moines Women's Half Marathon

​

Prairie Fire Spring Half Marathon    2025 Registration

​

Frederick Running Festival Half Marathon, Relay, 5k

​

Cranky Crab Half Marathon, 10k, 5k

​

YuKan Run Twin Lights Half Marathon (3 hr course time limit)

​

Go Girl Run Columbia Half Marathon & 5k

​​​

Lincoln Marathon & Half Marathon

​

Wallis Sands Half Marathon

​

Run for the Zoo Half Marathon, 10k, 5k, 1mi

​

Hudson Valley Marathon at the Walkway, Half Marathon, 10k, 5k

​

The Jovia Long Island Marathon & Half Marathon

​

The Bridge Run Half Marathon & 5k

​

Flying Pig Marathon, Half Marathon, 10k, 5k

​

Cinco De Mayo Half Marathon, 10k, 5k

​

Dick's Pittsburgh Marathon, Half Marathon & Relay

​

Providence Marathon, Half Marathon, 5k​

​

Wildflower Marathon, Half Marathon & 8mi

​

Shelburne Athletic Club Half Marathon, 10k, 5k

​

Trail Nut Half Marathon, 10k

​

Grayson Highlands Trail Runs Half Marathon & 50k

​

Snohomish Women's Run Half Marathon & 10k

​

Kirkland Half Marathon and 5k

​

Tacoma City Marathon, Half Marathon (3hr course cut off) & 5k

​

Eau Claire Marathon, Half Marathon & Relay

Ketchikan

​

Costa Mesa

​

Oakland

​

Windsor

​

Weot

​

Visalia

​

Fort Collins

​

Longmont

​

Washington

​

Osteen

​

Schaumburg

​

Des Moines

​

Wichita

​

Frederick

​

Seekonk

​

Gloucester

​

Columbia

​

Lincoln

​

Rye Beach

​

Albuquerque

​

Highland

​

East Meadow

​

Binghamton

​

Cincinnati

​

Portland

​

Pittsburgh

​

Providence

​

Bastrop

​

Shelburne

​

Bedford

​

Grayson Highlands

​

Everett

​

Kirkland

​

Tacoma

​

Eau Claire

Alaska

​

California

​

California

​

California

​

California

​

California

​

Colorado

​

Colorado

​

D.C.

​

Florida

​

Illinois

​

Iowa

​

Kansas

​

Maryland

​

Massachusetts

​

Massachusetts

​

Missouri

​

Nebraska

​

New Hampshire

​

New Mexico

​

New York

​

New York

​

New York

​

Ohio

​

Oregon

​

Pennsylvania

​

Rhode Island

​

Texas

​

Vermont

​

Virginia

​

Virginia

​

Washington

​

Washington

​

Washington

​

Wisconsin

Blue club side banner.png

May 9, 2025 (W)

​

May 9, 2025

May 9, 2026

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May 9, 2026

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May 11, 2024

​

May 10, 2025

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May 10, 2025 (T)

​

May 9, 2026 (NWF)

​

May 10, 2025

​

May 10, 2025

​

May 10, 2025

​

May 9, 2026

​

May 10, 2025

​

May 9, 2026

​

May 9, 2026

​

May 10, 2025

 

May 10, 2025

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May 10, 2025

​

May 10, 2025

​

May 10, 2025

​

May 10, 2025

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May 10, 2025

​

May 10, 2025

​

May 10, 2025 (W

​

May 10, 2025

​

May 10, 2025

​

May 10, 2025

​

May 11, 2024

​

May 10, 2025

​

May 9, 2026

​

May 10, 2025

​

May 11, 2024

​

May 10, 2025

​

May 10, 2025

​

May 10, 2025

​

May 10, 2025

​

May 10, 2025

​

May 11, 2024 (NWF)

​

May 9, 2026

​

May 10, 2025

​

May 10, 2025

​

May 11, 2024

​

May 10, 2025

​

May 10, 2025

​

May 9, 2026

Friday
May Half Marathons 2026
Saturday
May Half Marathons 2026

Vacation Races Yosemite Half Marathon

​

Hacienda Hills Run Marathon, Half, 50k, 9mi, 10k, 5k

​

Mermaid Run Mare Island Half Marathon, 10k, 5k

​

Muir Woods Marathon, Half Marathon, 7mile

​

Grizzly Peak Trail Marathon, Half Marathon, 50k, 30k, 10k

​

Santa Barbara Wine Country Half Marathon & Relay

​

BWR Mother's Day Long Beach Half Marathon, 15k, 10k, 5k

​

Nitro Trail Half Marathon, 10k, 5k

​

Carbon Valley Half Marathon, Relay, 5k and Fun Run

​

Valkyrie Trail Race 50k, Marathon Half Marathon, 4mi

​

Mountain Ridge Trail Race

​

Race4Warriors Half & Full Marathon Challenges & 5k

​

Aloha Racing Ho'omau Half Marathon, 10k, 5k

​

Starved Rock Country Marathon & Half Marathon

 

Bridge the Gap to Health Half Marathon, 10k, 5k

​

Friends of Yellow River State Forest Trail Run Half Marathon, 10k, 5k

​

Kansas City Corporate Challenge Half Marathon

​

Running with the Cows Half Marathon

​

Mercy Health Paducah Iron Mom Half Marathon, Relay, 5k

​

ECTA Spring for the Trails Half Marathon

​

Maple Grove Half Marathon

​

MM Prairie Series Marathon, Half, 50/10/5k (Day 2)

​

New England Challenge II Granite State Marathon, Half Marathon

​

Happy Half at Holiday Valley Half Marathon & 5k

​

Rockapulko Mother's Day Half Marathon & 5k     2024 Registration

​

514 Bruce Smith Celebrity 1/2 Marathon& 5k

​

Sri Chinmoy Half Marathon & 5k

​

Jump Off Rock Half Marathon & 10k

​

Charity Chase Half Marathon   2025 Registration

​

Run on the River Half Marathon, 10k, 5k

​

Happy Girls Half Marathon, 5k, 1.5k

​

Hippie Chick 13.1, 6.55, 3.1

​

Mountain Railroad Half Marathon

​

Scenic City Trail Marathon, 1/2 Marathon

​

Viola Valley Half Marathon

​

CrossFit Pistol Creek Half Marathon

​

Dino Half Marathon

​

Crossover Half

​

Vigor Big Cottonwood Canyon Half Marathon

​

Bishop Events Spring Burke Lake Half Marathon, 10k, 5k

​

San Juan Island Half

​

Snohomish Women's Run Half Marathon, 10k, 5k

​

Resort Races Collection Greenbrier Half Marathon

Miami

​

Fairlee

Oklahoma

​

Vermont

Bass Lake

​

San Jose

​

Vallejo

​

Stinson Beach

​

Berkley

​

Santa Barbara

​

Long Beach

​

Pinole

​

Firestone

​

Colorado Springs

​

Highlands Ranch

​

Lewes

​

Ewa Beach

​

Ottawa

 

Quincy

​

Harpers Ferry

​

Overland Park

​

Bucyrus

​

Paducah

​

Ipswich

​

Maple Grove

​

St. Joseph

​

Nashua

​

Ellicottville

​

Rockaway

​

Buffalo

​

New York

​

Hendersonville

​

Hickory

​

Astoria

​

Bend

​

Champoeg

​

Everett

​

Chattanooga

​

Viola

​

Maryville

​

Vernal

​

Paradise

​

Cottonwood Heights

​

Fairfax Station

​

Friday Harbor

​

Snohomish

​

White Sulphur Springs

California

​

California

​

California

​

California

​

California

​

California

​

California

​

California

​

Colorado

​

Colorado

​

Colorado

​

Delaware

​

Hawaii

​

Illinois

 

Illinois

​

Iowa

​

Kansas

​

Kansas

​

Kentucky

​

Massachusetts

​

Minnesota

​

Missouri

​

New Hampshire

​

New York

​

New York

​

New York

​

New York

​

North Carolina

​

North Carolina

​

Oregon

​

Oregon

​

Oregon

​

Pennsylvania

​

Tennessee

​

Tennessee

​

Tennessee

​

Utah

​

Utah

​

Utah

​

Virginia

​

Washington

​

Washington

​

West Virginia

May 11, 2025

​

May 11, 2025

​

May 11, 2025

​

May 11, 2025

​

May 11, 2025 (W)

​

May 11, 2025

​

May 11, 2025

​

May 11, 2025

​

May 11, 2025

 

May 10, 2026

 

May 10, 2026

​

May 11, 2025

​

May 11, 2025

Sunday
May Half Marathons 2026

Oakland

​

Long Beach

​

Van Nuys

​

Rock Island

​

Hiawatha

​

Portland

​

Cambridge

​

Whately

​

Brooklyn

​

Coplay

​

San Antonio

​

Fort Worth

​

Salisbury

California

​

California

​

California

​

Illinois

​

Kansas

​

Maine

​

Maryland

​

Massachusetts

​

New York

​

Pennsylvania

​

Texas

​

Texas

​

Vermont

Monday
May Half Marathons 2026

May 12, 2025

​

May 12, 2025

S. Sioux City

​

Warwick

Tuesday
May Half Marathons 2026

May 13, 2025

​

May 13, 2025

Sioux City

​

Westfield

Nebraska

​

Rhode Island

Iowa

​

Massachusetts

May 14, 2025

​

May 14, 2025

Wednesday
May Half Marathons 2026

Hartford

​

Baltic

Connecticut

​

South Dakota

Thursday
May Half Marathons 2026

May 15, 2025

​

May 15, 2025

Breckenridge

​

Whapeton

Friday
May Half Marathons 2026

May 16, 2025

​

May 16, 2025

Breckenridge

​

Whapeton

Minnesota

​

North Dakota

Minnesota

​

North Dakota

Fuscia club side banner.png
Saturday
May Half Marathons 2026

May 16, 2026

​

May 16, 2026

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 16, 2026

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 18, 2024

​

May 18, 2024

​

May 17, 2025

​

May 16, 2026

​

May 17, 2025

​

May 16, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 16, 2026

​

May 17, 2025 (NWF)

​

May 16, 2026

​

May 18, 2024

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

 

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

​

May 17, 2025

Trail Run at Sly Park 50k, 20mi, 13.1mi, 10mi, 5k

​

La Jolla Half Marathon & La Jolla Shores 5K

​

Bee Happy Run Half Marathon, 15k, 10k, 5k

​

Sutter Buttes Spirit Mountain Run 5k, 10k & Half Marathon

​

Trail Quake Half Marathon, 10k, 5k

​

Endure Trail Runs Half Marathon & 10k

​

Cartersville Half Marathon & 5k

​

Famous Idaho Potato Marathon & Half Marathon

​

Dances with Dirt Gnaw Bone Marathon, Half, 50mi, 50k, 10k

​

Run for Her Life Half Marathon & 5k

​

Run the Bluegrass America's Prettiest Half Marathon

​

St. Michaels Running Festival Half Marathon, 10k, 5k

​

Wheatlake Festival of Races Half Marathon & 5k

​

RunStock Half Marathon & 10k

​

Go Girl Run Kansas City Half Marathon & 5k

​

Kickin Assphault Half Marathon, 10k, 1mi

​

Whitefish Marathon, Half Marathon, 5k

​

Silver State 50k, 50-Miler & Trail Half Marathon

​

Thousand Islands Half Marathon, 10k

​

NYRR RBC Brooklyn Half

​

New River Marathon & Half Marathon

​

Spring Race Great Guernsey Trail Half Marathon, 10k, 5k

​

Lion Heart Half Marathon, 2 Person Relay and 5k

​

Crush Cancer Run Half Marathon, 10k, 5k

​

Mountains to Mainstreet Half Marathon & 5k

​

Dash Around Kampeska 1/2 Marathon and 1/2 Marathon Relay

​

Little River Rush Half Marathon

​

Tacos y Cerveza Trail Run Half Marathon, 10k, 5k

​

Fiesta De Mayo Half Marathon, 10k, 5k

​

Ogden Marathon & Half Marathon

​

Timp Trail Marathon & Half Marathon

​

Clear Creek Half Marathon

​

Dandelion Run Half Marathon

​

Run Like a Girl Bellingham Half Marathon

​

Harpers Ferry Half Marathon, 5k & Kids Run

​

Madeline Island Marathon & Half Marathon

​

UFF DA Run Half Marathon, 5k

Pollock Pines

​

La Jolla

​

Santa Monica

​

Sutter

​

Saratoga

​

Divide

​

Cartersville

​

Boise

​

Nashville

​

Newton

​

Lexington

​

St. Michael

​

Big Rapids

​

Kaiser

​

Kansas City

​

Great Falls

​

Whitefish

​

Reno

​

Wellesley Island

​

Brooklyn

​

Todd

​

Cambridge

​

Woodward

​

Terrebone

​

Greenville

​

Watertown

​

Maryville

​

Fort Worth

​

Irving

​

Ogden

​

Orem

​

Sevier

​

Derby

​

Bellingham

​

Harpers Ferry

​

La Pointe

​

Woodville

California

​

California

​

California

​

California

​

California

​

Colorado

​

Georgia

​

Idaho

​

Indiana

​

Iowa

​

Kentucky

​

Maryland

​

Michigan

​​

Missouri

​

Missouri

​

Montana

​

Montana

​

Nevada

​

New York

​

New York

​

North Carolina

​

Ohio

​

Oklahoma

​

Oregon

​

South Carolina

​

South Dakota

​

Tennessee

​​

Texas

​

Texas

​

Utah

​

Utah

​

Utah

​

Vermont

​

Washington

​

West Virginia

​

Wisconsin

​

Wisconsin

Sunday
May Half Marathons 2026

May 18, 2025

​

May 18, 2025

​

May 18, 2025

​

May 17, 2026

​

May 18, 2025 (NWF)

​

May 17, 2026

​

May 18, 2025

 

May 17, 2026

​

May 18, 2025

​

May 18, 2025

​

May 18, 2025

​

May 19, 2024

​

May 18, 2025

​

May 17, 2026 (NWF)

​

May 19, 2024

​

May 17, 2026 (W)

​

May 17, 2026

​

May 18, 2025

​

May 18, 2025

​

May 18, 2025

​

May 18, 2025

​

May 18, 2025 (T)

​

May 18, 2025

​

May 17, 2026

​

May 18, 2025

Madison

​

Ventura

​

Los Angeles

​

Aurora

​

Mystic

​

Chicago

​

Carderock

 

Westport

​

Pittsfield

​

Grand Haven

​

Rochester

​

Morristown

​

Jersey City

​

Rye

​

Cary

​

Cleveland

​

Cottage Grove

​

Lanesboro

​

East Providence

​

Sioux Falls

​

Fredericksburg

​

Fairfax Station

​

Spokane

​

Washougal

​

Olympia

Alabama

​

California

​

California

​

Colorado

​

Connecticut

​

Illinois

​

Maryland

 

Massachusetts

​

Massachusetts

​

Michigan

​

Minnesota

​

New Jersey

​

New Jersey

​

New York

​

North Carolina

​

Ohio

​

Oregon

​

Pennsylvania

​

Rhode Island

​

South Dakota

​

Virginia

​

Virginia

​

Washington

​

Washington

​

Washington

SATURDAY
May Half Marathons 2026

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 23, 2026

​

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 23, 2026

​

May 23, 2026

​

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 23, 2026

​

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 24, 2025

​

May 23, 2026

​

May 24, 2025

​

May 23, 2026

Anchorage

​

Craig

​

Concord

​

Placerville

​

Hamden

​

Stanley

​

Makanda

​

Manhattan

​

Traverse City

​

Stillwater

​

Dillon

​

Plattsburgh

​

Brooklyn

​

Medina

​

Spray

​

Portland

​

Memphis

​

Dallas

​

Springfield

​

Wheeling

​

Fon Du Lac

​

Cedarburg

Alaska

​

Alaska

​

California

​

California

​

Connecticut

​

Idaho

​

Illinois

​

Kansas

​

Michigan

​

Minnesota

​

Montana

​

New York

​

New York

​

Ohio

​

Oregon

​

Oregon

​

Tennessee

​

Texas

​

Virginia

​

West Virginia

​

Wisconsin

​

Wisconsin

SUNDAY
May Half Marathons 2026

May 25, 2025

 

May 25, 2025

​

May 25, 2025

​

May 25, 2025

​

May 24, 2026 (NWF)

 

May 25, 2025

​

May 25, 2025

​

May 25, 2025

​

May 25, 2025

​

May 25, 2025

​

May 25, 2025

​

May 24, 2026

​

May 25, 2025

​

May 25, 2025

Washington

 

Honolulu

​

Cour d'Alene

​

Polk City

​

Boston

 

Buffalo

​

Plowville

​

Waco

​

Del Valle

​

Dallas

​

Minocqua

​

Madison

​

Laramie

​

Jackson Hole

D.C.

 

Hawaii

​

Idaho

​

Iowa

​

Massachusetts

 

New York

​

Pennsylvania

​

Texas

​

Texas

​

Texas

​

Wisconsin

​

Wisconsin

​

Wyoming

​

Wyoming

Monday
May Half Marathons 2026

May 26, 2025

​

May 26, 2025

Great Falls

​

Dallas

Maryland

​

Texas

Saturday
May Half Marathons 2026

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 30, 2026

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 30, 2026

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

​

May 31, 2025

Sho Low

​

San Jose

​

San Jose

​

Los Angeles

​

El Sobrante

​

Basalt

​

Washington

​

Wheaton

​

South Bend

​

Polk City

​

Versailles

​

Gladstone

​

Duluth

​

St. Paul

​

Kansas City

​

Hastings

​

Cooperstown

​

Fargo

​

Bend

​

Hillsboro

​

Wisonville

​

Nashville

​

Fort Worth

​

Hillsboro

​

Sammamish

Arizona

​

California

​

California

​

California

​

California

​

Colorado

​

D.C.

​

Illinois

​

Indiana

​

Iowa

​

Kentucky

​

Michigan

​

Minnesota

​

Minnesota

​

Missouri

​

Nebraska

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New York

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North Dakota

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Oregon

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Oregon

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Oregon

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Tennessee

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Texas

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Virginia

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Washington

Sunday
May Half Marathons 2026

May 31, 2026

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May 31, 2026

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May 31, 2026

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May 31, 2026

San Diego

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Highland Park

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Ann Arbor

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Youngstown

California

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Illinois

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Michigan

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Ohio

May Half Marathon Calendar event dates in dark grey are delinquent dates not updated by the race organizer yet. We strive to have dates 1 year out for May half marathons, but have no control of when they set, announce or update their dates.

May Half Marathons

The May Half Marathon Calendar is a complete simplistic listing of May half marathons 2026 in the USA.  Currently the May half marathon schedule has 2026 half marathons, and May half marathons 2027 will be updated as they roll in from the 1/2 marathon race organizers. The May Half Marathon schedule identifies trail half marathons and walker friendly half marathons by a (T) symbol and a (W) symbol.  The (T) means it is a TRUE trail half marathon (off road, switchbacks, etc) and a (W) means it is truly "official walker friendly" requiring the half marathon to allow a minimum of 18:32 mile pace, minimum 4 hours for participants to finish the 13.1 mile distance.

 

The May half marathon calendar features a complete listing of May half marathons in California, May half marathons in Texas, May half marathons in Colorado, May half marathons in New York, May half marathons in Utah, May half marathons in Illinois, May half marathons in Ohio, May half marathons in Florida, and all other 1/2 marathons in May across the USA.

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