Marathon races in United States — 2026 running calendar

May

01

Frederick Running Festival with Girls on the Run

Frederick, Maryland, United States

$15.00 - $120.00

Running

5K Marathon 1K Half-Marathon +3

May

01

Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K

Tacoma, Washington, United States

$10.00 - $265.00

Running

10K 5K Marathon Half-Marathon +4

May

01

The Bluffs Trail Runs

Eminence, Missouri, United States

$15.00 - $115.00

Running Trail running

Marathon Half-Marathon 15K 10K +4

May

01

IronHorse - Usatf Certified & Sanctioned

Riceville, Iowa, United States

$15.00 - $65.00

Running

Marathon Half-Marathon 10K 5K

May

02

Chicagoland Spring Marathon, Half Marathon & 10K

Schaumburg, Illinois, United States

$39.99 - $159.99

Running

Marathon Half-Marathon 10K +5

May

02

York Marathon and Half Marathon

York, Pennsylvania, United States

$50.00 - $70.00

Running

Marathon Half-Marathon

May

02

Boise River Marathon

Boise, Idaho, United States

$35.00 - $60.00

Running

Marathon Half-Marathon 10K 5K +1

May

02

The Colorado Marathon

Fort Collins, Colorado, United States

Running

Marathon Half-Marathon 5K 10K

May

02

Avenue of the Giants Marathon

Arcata, California, United States

$60.00 - $100.00

Running

Marathon Half-Marathon 10K

May

02

Providence Rhode Races

East Providence, Rhode Island, United States

$10.00 - $95.95

Running

Marathon Half-Marathon 5K 1K +3

May

08

P.a.c.e. Races for Youth Athletic Scholarships

Smiths Grove, Kentucky, United States

$50.00 - $75.00

Running

Marathon Half-Marathon

May

08

Grizzly Peak Trail Run

Berkeley, California, United States

Free - $90.00

Trail running Running

10K Half-Marathon 30K Marathon +3