5K races in Maine, United States — 2026 running calendar

2026 Bar Harbor Bank & Trust Half Marathon and Fall 5K

Bar Harbor, Maine, United States

12 Sep, 2026 (Sat)

$45.00 - $160.00

Running, Walking

Half-Marathon 5K

Autumn & Ales 5K, 10K, and 1/2 Marathon

Scarborough, Maine, United States

12 Sep, 2026 (Sat)

$50.00 - $70.00

Running

5K 10K Half-Marathon

Pumpkinman Half Marathon and Running Festival!

South Berwick, Maine, United States

13 Sep, 2026 (Sun)

$20.00 - $125.00

Running

5K 14K 30K Half-Marathon +1

9/11 Heroes Run - Brunswick, ME

Brunswick, Maine, United States

19 Sep, 2026 (Sat)

Free - $40.00

Running

5K Volunteer +1

Cape Split Schoolhouse Run

Addison, Maine, United States

19 Sep, 2026 (Sat)

$20.00 - $30.00

Running

10.5K 4.8K

Wellspring's 11th Annual 5K Race for Recovery

Bangor, Maine, United States

20 Sep, 2026 (Sun)

$20.00 - $40.00

Running

5K

Lincoln Marathon - Full/Half/10K/5K

Lincoln, Maine, United States

20 Sep, 2026 (Sun)

$25.00 - $95.00

Running

Marathon Half-Marathon 5K 10K

Almost Half Way to St. Patrick's Day 5K

Portland, Maine, United States

20 Sep, 2026 (Sun)

$34.00

Running

5K

KAT-Walk & Karo-5K for Brain Aneurysm Awareness

Portland, Maine, United States

20 Sep, 2026 (Sun)

$20.00

Walking, Running

4K 5K

Maine Marathon, Half Marathon and Marathon Relay

Portland, Maine, United States

26 Sep, 2026 (Sat) – 12 Oct, 2026

$35.00 - $170.00

Running

Marathon Half-Marathon 5K 10K +3

St. Joseph Hospital's Commit to Community: 5K Walk, 5K Run, 10K Run and Kids Obstacle Course

Bangor, Maine, United States

27 Sep, 2026 (Sun)

$25.00 - $35.00

Running, Walking

5K 10K

Virtual Ostomy 5k - Worldwide

Biddeford, Maine, United States

03 Oct, 2026 (Sat)

$12.00 - $30.00

Running

5K