Half Marathons in May 2027

May half marathons move north and into the cities. The Run Like a Girl in Bellingham, Denver's Colfax Half runs the city's longest street at a mile high, and scenic destination halves pop up across the Rockies and the Pacific Northwest. Start early and the mornings are still cool enough to race hard.‍

‍Racing in May? Start our 12-week half marathon training plan around late February.

May
01
27
Salt Lake City
Trail Running
May
01
27
Road Running
May
01
27
Newport Beach
Road Running
May
01
27
Tacoma
Road Running
May
01
27
Vancouver
Triathlon / Multisport
Road Running
May
01
27
Road Running
May
01
27
Trail Running
May
02
27
Chicago
Road Running
May
02
27
Boise
Road Running
May
02
27
Sisters
Trail Running
May
02
27
Humboldt
Road Running
May
02
27
Seattle
Road Running
May
02
27
Longmont
Road Running
May
02
27
Oakland
Road Running
May
02
27
Portland
Road Running
May
02
27
Santa Clarita
Road Running
May
02
27
Baker City
Road Running
May
08
27
Bend
Trail Running
Road Running
May
08
27
Yosemite
Road Running
May
08
27
Santa Barbara
Road Running
May
08
27
Colorado Springs
Trail Running
May
08
27
Friday Harbor
Road Running
May
08
27
Snohomish
Road Running
May
08
27
Berkeley
Trail Running
May
08
27
Marin
Road Running
May
15
27
San Diego
Road Running
May
15
27
Denver
Road Running
May
15
27
Bellingham
Road Running
May
15
27
Olympia
Road Running
May
15
27
Ogden
Road Running
May
15
27
Seattle
Trail Running
May
15
27
Boise
Road Running
May
15
27
Road Running
May
15
27
Trail Running
May
15
27
Boise
Road Running
May
16
27
Spokane
Road Running
May
16
27
Venice
Road Running
May
21
27
Road Running
May
22
27
Ventura
Road Running
May
23
27
Walnut Creek
Trail Running
May
29
27
Portland
Trail Running
May
29
27
Dallas
Road Running
May
29
27
Pasco
Road Running
May
30
27
Coeur d’Alene
Road Running
May
30
27
Road Running