Marathon races in United States — 2026 running calendar

Buffalo Marathon Weekend

Buffalo, New York, United States

May 23, 2026 (Sat) – May 24, 2026

Running, Walking

5K 1K 3.2K Marathon +8

The M&T Bank Vermont City Marathon & Relay

Burlington, Vermont, United States

May 23, 2026 (Sat) – May 31, 2026

Running, Wheelchair

3.2K 1.6K 0.8K Marathon +4

Austin's Backyard Marathon Ultra • Full • Half & Memorial Day Remembrance Run 4 Miler • 8 Miler

Marble Falls, Texas, United States

May 23, 2026 (Sat) – May 25, 2026

Running

Marathon Half-Marathon 12.9K 6.4K

Texas Triple

Dallas, Texas, United States

May 23, 2026 (Sat) – May 25, 2026

Running

Half-Marathon Marathon +4

Bayshore Marathon, Half Marathon, 10K, & Kids Fun Run

Traverse City, Michigan, United States

May 22, 2026 (Fri) – May 23, 2026

Running

5K Marathon Half-Marathon 10K +1

Colfax Marathon

Lone Tree, Colorado, United States

May 17, 2026 (Sun)

Running

Marathon

Sugarloaf Marathon and 15K

Carrabassett Valley, Maine, United States

May 17, 2026 (Sun)

Running

Marathon 15K

Girls on the Run Rockies Colfax SoleMates 2026

Denver, Colorado, United States

May 17, 2026 (Sun)

Running

Marathon Half-Marathon

EPIC Marathon and Running Festival with myTEAM TRIUMPH

Green Bay, Wisconsin, United States

May 17, 2026 (Sun)

Running

Marathon Half-Marathon 5K +2

EPIC Marathon and Running Festival

Green Bay, Wisconsin, United States

May 17, 2026 (Sun)

Running

Marathon Half-Marathon 5K 0.2K +2

Armed Services Marathon, Half Marathon & 5K

Grand Haven, Michigan, United States

May 17, 2026 (Sun)

Running

Marathon Half-Marathon 10K 5K

Windermere Marathon

Spokane, Washington, United States

May 17, 2026 (Sun)

Running

Marathon Half-Marathon 10K 5K +3