May Half Marathons

Race Calendar
May Half Marathons

Below is a complete list of May Half Marathons. Easily sort by race date, member ratings or alphabetically to find an event that’s right for you. Plus, read finisher reviews to gain valuable insights you won’t find anywhere else!

Showing 1 - 50 of 336 results.

Ha Giang Marathon

Dong Van, Vietnam | May 1, 2020 (2021 TBD)

Review this race

add to my races

Plym Trail Spring Marathon & Half Marathon

Clearbrook, United Kingdom | May 1–2, 2021

Review this race

add to my races

Kangaroo Island Marathon

Flinders Chase, Australia | May 1, 2021

Review this race

add to my races

Wartrace, TN | May 1, 2021

Review this race

add to my races

Armstrong Redwoods Trail Run

Guerneville, CA | May 1, 2021

Review this race

add to my races

Run Holden Beach (BAM! Race Series)

Holden Beach, NC | May 1, 2021

Review this race

add to my races

Wally Hayward Marathon

Centurion, South Africa | May 1, 2020 (2021 TBD)

Review this race

add to my races

Endurancelife Coastal Trail Series Pembrokeshire

Haverfordwest, United Kingdom | May 1, 2021

Review this race

add to my races

Pittsburgh Marathon

Pittsburgh, PA | May 1–2, 2021

Review this race

add to my races

Ironhorse Races

Riceville, IA | May 1, 2021

Review this race

add to my races

Safari Half Marathon

Wellington, South Africa | May 1, 2020 (2021 TBD)

Review this race

add to my races

Viking Dash Trail Run St. Louis

Troy, MO | May 1, 2021

Review this race

add to my races

Mississauga Marathon

Mississauga, Canada | May 1–2, 2021

Review this race

add to my races

Frederick Running Festival

Frederick, MD | May 1–2, 2021

Review this race

add to my races

Sierra Vista, AZ | May 1, 2021

Review this race

add to my races

Pro Football Hall of Fame (HOF) Marathon

Canton, OH | May 1–2, 2021

Review this race

add to my races

Northeast Kingdom Marathon

Island Pond, VT | May 1, 2021

Review this race

add to my races

Tails & Trails Half Marathon

Tallahassee, FL | May 1, 2021

Review this race

add to my races

Provo City Half Marathon

Provo, UT | May 1, 2021

Review this race

add to my races

Spartan Race Montana

Bigfork, MT | May 1–2, 2021

Review this race

add to my races

Wisconsin Marathon

Kenosha, WI | May 1, 2021

Review this race

add to my races

Dallas Marathon

Dallas, TX | May 1–2, 2021

Review this race

add to my races

Eau Claire Marathon

Eau Claire, WI | May 1–2, 2021

Review this race

add to my races

OC Marathon & Half Marathon

Newport Beach, CA | May 1–2, 2021

Review this race

add to my races

Gateway 50K & 25K

Blacksburg, VA | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Triple Dare Runs Deja Vu

Las Vegas, NV | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Whiskey Row Marathon

Prescott, AZ | May 2, 2020 (2021 TBD)

Review this race

add to my races

Great Limerick Run

Limerick, Ireland | May 2, 2021

Review this race

add to my races

Snohomish Women’s Run

Everett, WA | May 2, 2021

Review this race

add to my races

Marathon of the Cathedrals

Barletta, Italy | May 2, 2021

Review this race

add to my races

Middlebury Maple Run

Middlebury, VT | May 2, 2021

Review this race

add to my races

Turkey Hill Country Classic

Washington Boro, PA | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

RC2 Community Runs

Ripon, WI | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Henderson, NV | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Lost Lake Ultras

Bellingham, WA | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Nellie Johnstone 5K & Half Marathon

Bartlesville, OK | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Cinco de Mayo Half Marathon, 10K & 5K

Portland, OR | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Fiesta Frenzy ABQ

Albuquerque, NM | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Collegiate Peaks Trail Runs

Buena Vista, CO | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Ghost of Tacoma Marathon & Half

Tacoma, WA | May 2, 2020 (2021 TBD)

Review this race

add to my races

Potomac River Run Marathon & Half (Spring)

Washington, DC | May 2, 2021

Review this race

add to my races

Sunflower Trail Marathon

Mazama, WA | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Three Forts Challenge

Worthing, United Kingdom | May 2, 2021

Review this race

add to my races

Lake Norman Half Marathon & 5K

Mooresville, NC | May 2, 2021

Review this race

add to my races

Ripon, CA | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Des Moines Women’s Half Marathon, 5K & Team Relay

Des Moines, IA | May 2–3, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Lost Creek Trail Runs

Trail, OR | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Ocean City MD Island to Island Half Marathon & 5K

Berlin, MD | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races

Medved Madness Trail Race

Honeoye Falls, NY | May 2, 2021

Review this race

add to my races

Grand Island Half Marathon & 10K

Grand Island, NY | May 2, 2020 (CANCELED, 2021 TBD)

Review this race

add to my races