Partly cloudy throughout the day.
Details
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Race
Post-Race
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Race Overview
The Mount Desert Island Marathon, Half & Relay is North America’s premier destination road race. The award-winning course features miles of pristine terrain passing tranquil lakes, soaring mountains, sleepy Maine villages, and stunning seaside vistas —including Somes Sound, the only fjord on the Eastern Seaboard— all set against the awe-inspiring backdrop of Acadia National Park in peak fall foliage season. The Marathon and Team Relay start in the world-famous Bar Harbor, while the Half-Marathon starts in picturesque village of Northeast Harbor. All three races finish on the quietside of MDI in the hardworking lobster fishing community of Southwest Harbor.
WikipediaFAQ
When is the 2026 Mount Desert Island Marathon?
The 2026 Mount Desert Island Marathon will be held on Sunday October 18, 2026.
Is the Mount Desert Island Marathon a Boston Marathon Qualfier?
Yes, the Mount Desert Island Marathon is an official Boston Marathon qualifier.
What is the time limit for the Mount Desert Island Marathon?
The time limit for the Mount Desert Island Marathon is 6.5 hours.
Mount Desert Island Marathon Weather History
Mount Desert Island Marathon Weather Averages
Average Temp: 48°, Average Low: 42°, Average High: 55°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 45° | 47° | 49° | 50° | 51° | 52° | 54° |
| Feel | 43° | 44° | 46° | 48° | 49° | 50° | 52° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 8mph | 9mph | 10mph | 10mph | 11mph | 11mph |
| Dew | 39° | 40° | 41° | 39° | 39° | 38° | 38° |
| RunScore |
Mount Desert Island Marathon 2025
Oct 19, 2025
Clear conditions throughout the day.
Low: 38°, High: 60°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 39° | 47° | 51° | 54° | 56° | 58° | 60° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 6mph | 7mph | 6mph | 5mph | 6mph |
| Dew | 40° | 45° | 48° | 49° | 49° | 49° | 49° |
| RunScore |
Mount Desert Island Marathon 2024
Oct 20, 2024
Partly cloudy throughout the day.
Low: 35°, High: 70°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 35° | 46° | 52° | 60° | 65° | 67° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 2mph | 0mph | 4mph | 5mph | 8mph | 2mph |
| Dew | 37° | 46° | 49° | 40° | 43° | 44° | 38° |
| RunScore |
Mount Desert Island Marathon 2023
Oct 15, 2023
Becoming cloudy in the afternoon with late afternoon rain.
Low: 47°, High: 56°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 45° | 46° | 52° | 54° | 55° | 56° | 56° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 8mph | 7mph | 6mph | 6mph | 10mph | 10mph |
| Dew | 39° | 43° | 43° | 43° | 43° | 41° | 42° |
| RunScore |
Mount Desert Island Marathon 2022
Oct 16, 2022
Clearing in the afternoon.
Low: 46°, High: 62°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 47° | 47° | 52° | 57° | 53° | 59° | 62° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 6mph | 6mph | 6mph | 3mph | 7mph | 3mph |
| Dew | 47° | 49° | 52° | 50° | 52° | 52° | 52° |
| RunScore |
Mount Desert Island Marathon 2019
Oct 20, 2019
Clear conditions throughout the day.
Low: 42°, High: 54°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 43° | 41° | 44° | 45° | 49° | 46° | 53° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 5mph | 5mph | 6mph | 4mph | 9mph | 6mph |
| Dew | 34° | 36° | 38° | 38° | 38° | 37° | 39° |
| RunScore |
Mount Desert Island Marathon 2018
Oct 14, 2018
Partly cloudy throughout the day.
Low: 40°, High: 53°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 37° | 38° | 38° | 40° | 42° | 43° | 50° |
| Rain | - | - | - | - | - | - | - |
| Wind | 8mph | 11mph | 14mph | 13mph | 10mph | 11mph | 13mph |
| Dew | 35° | 36° | 36° | 33° | 32° | 32° | 32° |
| RunScore |
Mount Desert Island Marathon 2017
Oct 15, 2017
Partly cloudy throughout the day.
Low: 54°, High: 65°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 55° | 62° | 62° | 58° | 59° | 57° | 61° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 5mph | 6mph | 9mph | 9mph | 7mph | 6mph |
| Dew | 52° | 55° | 56° | 58° | 58° | 60° | 60° |
| RunScore |
Mount Desert Island Marathon 2016
Oct 16, 2016
Partly cloudy throughout the day.
Low: 34°, High: 59°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 51° | 53° | 56° | 56° | 57° | 57° | 59° |
| Rain | - | - | - | - | - | - | - |
| Wind | 9mph | 11mph | 14mph | 18mph | 14mph | 17mph | 16mph |
| Dew | 48° | 50° | 49° | 50° | 51° | 51° | 52° |
| RunScore |
Mount Desert Island Marathon 2015
Oct 18, 2015
Becoming cloudy in the afternoon.
Low: 33°, High: 40°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 22° | 25° | 27° | 28° | 29° | 29° | 31° |
| Rain | - | - | - | - | - | - | - |
| Wind | 17mph | 14mph | 13mph | 14mph | 15mph | 20mph | 21mph |
| Dew | 30° | 28° | 26° | 25° | 20° | 20° | 18° |
| RunScore |
Mount Desert Island Marathon 2014
Oct 19, 2014
Partly cloudy throughout the day with early morning rain.
Low: 43°, High: 57°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 47° | 38° | 38° | 39° | 40° | 41° | 42° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 20mph | 18mph | 15mph | 14mph | 14mph | 13mph |
| Dew | 42° | 39° | 37° | 37° | 37° | 37° | 37° |
| RunScore |
Mount Desert Island Marathon 2013
Oct 20, 2013
Partly cloudy throughout the day with morning rain.
Low: 52°, High: 61°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 54° | 57° | 58° | 58° | 60° | 60° | 60° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 8mph | 9mph | 8mph | 13mph | 13mph | 16mph |
| Dew | 53° | 55° | 54° | 49° | 45° | 43° | 36° |
| RunScore |
Mount Desert Island Marathon 2012
Oct 14, 2012
Cloudy skies throughout the day with rain clearing later.
Low: 43°, High: 53°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 44° | 43° | 46° | 47° | 52° | 53° | 53° |
| Rain | light | light | light | light | - | - | - |
| Wind | 0mph | 5mph | 3mph | 6mph | 6mph | 3mph | 3mph |
| Dew | 38° | 40° | 42° | 43° | 45° | 45° | 46° |
| RunScore |
Mount Desert Island Marathon 2011
Oct 16, 2011
Partly cloudy throughout the day.
Low: 55°, High: 59°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 55° | 55° | 56° | 56° | 56° | 56° | 58° |
| Rain | - | - | - | - | - | - | - |
| Wind | 13mph | 8mph | 15mph | 11mph | 10mph | 15mph | 11mph |
| Dew | 39° | 39° | 39° | 39° | 39° | 38° | 38° |
| RunScore |
Mount Desert Island Marathon 2010
Oct 17, 2010
Partly cloudy throughout the day.
Low: 44°, High: 58°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 39° | 42° | 45° | 51° | 53° | 54° | 56° |
| Rain | - | - | - | - | - | - | - |
| Wind | 14mph | 10mph | 10mph | 16mph | 23mph | 22mph | 23mph |
| Dew | 39° | 39° | 38° | 37° | 37° | 35° | 35° |
| RunScore |
Mount Desert Island Marathon 2009
Oct 18, 2009
Partly cloudy throughout the day with rain.
Low: 36°, High: 44°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 38° | 33° | 32° | 33° | 36° | 36° | 36° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 7mph | 11mph | 13mph | 10mph | 13mph | 14mph |
| Dew | 29° | 30° | 30° | 32° | 30° | 30° | 32° |
| RunScore |
Mount Desert Island Marathon 2008
Oct 19, 2008
Clear conditions throughout the day.
Low: 29°, High: 48°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 25° | 27° | 34° | 37° | 42° | 44° | 44° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 8mph | 7mph | 12mph | 10mph | 10mph | 10mph |
| Dew | 23° | 25° | 29° | 25° | 25° | 25° | 25° |
| RunScore |
Mount Desert Island Marathon 2007
Oct 14, 2007
Partly cloudy throughout the day.
Low: 39°, High: 52°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 37° | 41° | 44° | 45° | 50° | 50° | 52° |
| Rain | - | - | - | - | - | - | - |
| Wind | 10mph | 6mph | 5mph | 8mph | 8mph | 7mph | 11mph |
| Dew | 41° | 41° | 39° | 37° | 37° | 37° | 37° |
| RunScore |
Mount Desert Island Marathon 2006
Oct 15, 2006
Partly cloudy throughout the day.
Low: 37°, High: 54°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 41° | 44° | 45° | 45° | 52° | 52° | 54° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 6mph | 7mph | 7mph | 10mph | 10mph | 15mph |
| Dew | 30° | 30° | 30° | 30° | 29° | 29° | 29° |
| RunScore |
Mount Desert Island Marathon 2005
Oct 16, 2005
Partly cloudy throughout the day with a chance of rain throughout the day.
Low: 47°, High: 54°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 51° | 52° | 52° | 50° | 44° | 44° | 44° |
| Rain | light | light | light | light | light | light | - |
| Wind | 13mph | 12mph | 13mph | 9mph | 10mph | 10mph | 11mph |
| Dew | 44° | 43° | 43° | 42° | 42° | 41° | 41° |
| RunScore |
Mount Desert Island Marathon 2004
Oct 17, 2004
Partly cloudy throughout the day with morning rain.
Low: 48°, High: 57°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 52° | 53° | 53° | 55° | 55° | 57° | 55° |
| Rain | - | - | - | - | - | - | - |
| Wind | 12mph | 13mph | 12mph | 16mph | 15mph | 16mph | 17mph |
| Dew | 47° | 47° | 47° | 42° | 38° | 37° | 40° |
| RunScore |
Mount Desert Island Marathon 2003
Oct 19, 2003
Partly cloudy throughout the day.
Low: 38°, High: 46°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 37° | 34° | 39° | 40° | 42° | 42° | 43° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 9mph | 6mph | 8mph | 8mph | 8mph | 7mph |
| Dew | 30° | 30° | 30° | 27° | 25° | 21° | 25° |
| RunScore |
Mount Desert Island Marathon 2002
Oct 20, 2002
Partly cloudy throughout the day with morning rain.
Low: 32°, High: 52°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 43° | 46° | 43° | 44° | 43° | 43° | 42° |
| Rain | light | - | - | - | - | - | - |
| Wind | 8mph | 6mph | 13mph | 5mph | 7mph | 7mph | 8mph |
| Dew | 43° | 45° | 41° | 39° | 36° | 36° | 36° |
| RunScore |