Race day
18
Oct 2026
Get REAL Maine: Run MDI!.
Provenance ledger
Every fact, and where it came from
| Field | Value | Source | Updated |
|---|---|---|---|
| Date | Sunday 18 October 2026Curated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Start time | 08:00 local (America/New York)Curated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Distances | Full Marathon · Half Marathon · Relay · Kids' RunCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Location | Bar Harbor, Maine, United StatesCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Start area | Bar Harbor Village Green, Bar Harbor, ME 04609Confirm the exact start with the organizerCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Entry price | $125–$165Curated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Course | Road · Point to point · USATF certifiedCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Elevation gain | 250 mCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Field size | About 800 runners (typical field)Curated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Boston qualifier | YesCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Organizer | Crow AthleticsCurated listing · 23 May 2026 | Curated listing | 23 May 2026 |
| Official website | runmdi.orgOrganizer · 23 May 2026 | Organizer | 23 May 2026 |
| Listing | Verified listingSunday Marathon review · 23 May 2026 | Sunday Marathon review | 23 May 2026 |
Source is where this listing’s facts came from. Where a field could not be confirmed we leave it blank rather than guess.
Report a correctionAbout this race
Runner's World's most scenic marathon through Acadia National Park at peak fall foliage.
Is this race a fit?
These notes are generated from listed Sunday Marathon race facts. They are meant for shortlisting and planning, not as a replacement for official organizer instructions.
Best For
Runners comparing a listed Boston qualifier
Mount Desert Island Marathon belongs on the shortlist when you are comparing Full Marathon, Half Marathon, Relay, Kids' Run options around Bar Harbor, Maine, United States and want the key date, location, registration, and course facts in one place.
Watch For
Confirm entry details before paying
A registration path is listed; review entry rules, refund terms, and transfer policies before paying.
Decision Signal
Performance claims need source checks
Mount Desert Island Marathon should be evaluated as a full race-weekend choice in Bar Harbor, Maine, United States, not only as a date on a calendar. Start with road surface, point to point course, certified course, Boston qualifier listing. Weather notes are listed, so factor them into gear and pacing decisions.
- Date And Schedule
Mount Desert Island Marathon is currently listed for October 18, 2026, which makes the October planning window important for training and travel. Recheck official timing before race week.
- Location Base
Plan around Bar Harbor, Maine, United States, then verify the exact start area, finish area, packet pickup, and post-race exit route before booking non-refundable travel.
- Course Fit
Listed course signals include road surface, point to point course, certified course, Boston qualifier listing. Use them to compare effort, pacing risk, and training fit before relying on the race for a specific goal.
- Entry Readiness
A registration path is listed; review entry rules, refund terms, and transfer policies before paying.
What runners said
No runner reviews yet. Run this race and you can be the first to review it. Honest reviews help other runners choose their next start line.