2015 - 2016 USA Half Marathon Calendar in May

Browse our Half Marathon Calendar for races organized in USA during the month of May among 304 races.

304 races

Vigor Big Cottonwood Canyon 13.1, 10K & 5K

1/2 Marathon
  • May 09, 2015 - 06:00
  • North America | USA | Mountain Region | Utah | Cottonwood Heights
  • Half Marathon - 13.1 miles

5K SERIES - NCQS

Apple Run - 1/2 Marathon
  • May 09, 2015 - 08:00
  • North America | USA | New England | Massachusetts | Gardner
  • Half Marathon - 13.1 miles

Big Lake Half Marathon

  • May 09, 2015 - 08:00
  • North America | USA | New England | New Hampshire | Alton
  • Half Marathon
  • Road Running

Bridgehampton Half

  • May 09, 2015 - 09:00
  • North America | USA | Mid-Atlantic | New York | Bridgehampton
  • Half Marathon
  • Fast Charity Flat

Cinderella Trail Run (May)

Cinderella Trail Run Half Marathon (May)
  • May 09, 2015 - 08:00
  • North America | USA | Pacific | California | Joaquin Miller Park, Oakland
  • Half Marathon
  • Trail Coastal Trail Runs

Dances with Dirt Gnaw Bone

DWD Gnaw Bone Half Marathon
  • May 09, 2015 - 09:00
  • North America | USA | East North Central | Indiana | Nashville
  • Half Marathon
  • Hilly Trail RunningFit

Fargo Marathon

Fargo Half Marathon
  • May 09, 2015 - 08:00
  • North America | USA | West North Central | North Dakota | Fargo
  • Half Marathon
  • Fast Flat Road Running

Fear the Deer trail 1/2 marathon

  • May 09, 2015 - 08:00
  • North America | USA | Mountain Region | Colorado | Littleton
  • Half Marathon
  • Trail Mountain

Girls on the Go San Diego

Girls on the Go San Diego - Women's Half Marathon
  • May 09, 2015
  • North America | USA | Pacific | California | Mission Bay, San Diego
  • Half Marathon
  • Women-only Road Running Girls on the Go

Goldilocks Salt Lake

Goldilocks Salt Lake Half Marathon
  • May 09, 2015 - 08:30
  • North America | USA | Mountain Region | Utah | South Jordan
  • Half Marathon
  • Charity Women-only Road Running

Grand Valley Marathon, 1/2 Marathon, 10K and 5K

Grand Valley Half Marathon
  • May 09, 2015 - 07:00
  • North America | USA | Mountain Region | Colorado | Palisade
  • Half Marathon
  • Road Running

DeWitt Take a Breath for PH and Get Moving For MS

Half Marathon
  • May 09, 2015 - 08:00
  • North America | USA | East North Central | Michigan | Dewitt
  • Half Marathon - 13.10000038147 miles

River Valley Bank Hope Starts Here Challenge

Half Marathon
  • May 09, 2015 - 08:00
  • North America | USA | East North Central | Michigan | Marquette
  • Half Marathon - 13.1 miles

Jared Jabaut Agency 5K/10K & Half Marathon

Half Marathon
  • May 09, 2015 - 08:00
  • North America | USA | New England | Vermont | Shelburne
  • Half Marathon

20th Annual Spring Run for Fun

Half Marathon
  • May 09, 2015
  • North America | USA | East North Central | Indiana | Winona Lake
  • Half Marathon - 13.10000038147 miles