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

Sep

12

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

Scarborough, Maine, United States

$55.00 - $75.00

Running

5K 10K Half-Marathon

Sep

12

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

Bar Harbor, Maine, United States

Running Walking

Half-Marathon 5K

Sep

13

Pumpkinman Half Marathon and Running Festival!

South Berwick, Maine, United States

$20.00 - $140.00

Running

5K 14K 30K Half-Marathon +1

Sep

19

The Waldoboro Half Marathon

Waldoboro, Maine, United States

$20.00

Running

Half-Marathon

Sep

20

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

Lincoln, Maine, United States

$25.00 - $115.00

Running

Marathon Half-Marathon 5K 10K

Sep

26

Maine Marathon, Half Marathon and Marathon Relay

Portland, Maine, United States

$40.00 - $210.00

Running

Marathon Half-Marathon 5K 10K +3

Oct

04

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

Waterville, Maine, United States

$45.00 - $135.00

Running

Half-Marathon Marathon 5K 10K

Nov

01

Moosehorn Ghost Run Half-Marathon and Relay

Baileyville, Maine, United States

$26.00 - $35.00

Running

Half-Marathon

Apr

11

Boyden Lake Half-Marathon

Perry, Maine, United States

$27.00 - $40.00

Running Walking Wheelchair

Half-Marathon 8K

Jun

06

Acadia Half Marathon and 10K

Bar Harbor, Maine, United States

$65.00 - $120.00

Running Walking

Half-Marathon 10K

Jun

13

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

Bangor, Maine, United States

$25.00 - $85.00

Running

Marathon Half-Marathon 5K 10K

Jun

13

Moosehead Marathon, Half, 10k and 5k

Greenville, Maine, United States

$35.00 - $85.00

Running

5K 10K Half-Marathon Marathon