Half-Marathon races in Maine, United States — 2026 running calendar

2026 Acadia Half Marathon and 10K

Bar Harbor, Maine, United States

07 Jun, 2026 (Sun)

Running, Walking

Half-Marathon 10K

Bangor Marathon - Full/Half/10K/5K - Running Festival

Bangor, Maine, United States

07 Jun, 2026 (Sun)

$35.00 - $125.00

Running

Marathon Half-Marathon 5K 10K

Augusta Marathon - Full/Half/10K/5K - Running Festival

Augusta, Maine, United States

12 Jul, 2026 (Sun)

$25.00 - $115.00

Running

Marathon Half-Marathon 10K 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

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

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

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

Lincoln, Maine, United States

20 Sep, 2026 (Sun)

$25.00 - $95.00

Running

Marathon Half-Marathon 5K 10K

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

Waterville Marathon - Full/Half/10K/5K - Running Festival

Waterville, Maine, United States

04 Oct, 2026 (Sun)

$45.00 - $125.00

Running

Half-Marathon Marathon 5K 10K

Moosehorn Ghost Run Half-Marathon and Relay

Baileyville, Maine, United States

01 Nov, 2026 (Sun)

$26.00 - $35.00

Running

Half-Marathon

Boyden Lake Half-Marathon

Perry, Maine, United States

11 Apr, 2027 (Sun)

$27.00 - $40.00

Running, Walking, Wheelchair

Half-Marathon 8K

Moosehead Marathon, Half, 10k and 5k

Greenville, Maine, United States

13 Jun, 2027 (Sun)

$35.00 - $85.00

Running

5K 10K Half-Marathon Marathon