Marathon races in United States — 2026 running calendar

May

22

Conquer The Canal

Delaware City, Delaware, United States

$35.00 - $125.00

Running

Marathon Half-Marathon 10K 5K

May

23

Diablo Trail Run

Clayton, California, United States

Free - $90.00

Trail running Running

6.4K 16.1K Half-Marathon Marathon +3

May

23

Marathon Adventures Cape Town Marathon Adventure

Minneapolis, Minnesota, United States

$750.00

Running

Marathon

May

28

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

Traverse City, Michigan, United States

Free - $129.00

Running

5K Yoga in the Park Marathon Half-Marathon +4

May

28

Sandpoint Marathon

Sandpoint, Idaho, United States

Running

5K 10K Half-Marathon Marathon

May

29

Cda Marathon

Coeur D'Alene, Idaho, United States

Free - $100.00

Running

1.6K Marathon Half-Marathon 10K +4

May

29

Texas Triple

Dallas, Texas, United States

$85.00 - $255.00

Running

Half-Marathon Marathon +4

May

29

Buffalo Marathon Weekend

Buffalo, New York, United States

Free - $340.00

Running Walking

5K Kids Race ages 1-8 Diaper Dash - 2 year old and under 1K +10

May

29

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

$85.00 - $95.00

Running

Marathon Half-Marathon

May

29

MileBuilt 3-Day Memorial Day Bridge Challenge

Winter Park, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +11

May

29

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

Marble Falls, Texas, United States

$49.99 - $149.99

Running

6.7K Marathon Half-Marathon 12.9K +3

May

30

Minocqua Northwoods Escape Marathon

Minocqua, Wisconsin, United States

$40.00 - $200.00

Running

Marathon Half-Marathon 5K +1