Adirondack Marathon
Adirondack Marathon circles Schroon Lake on a small-field course with steep early climbs, long rollers, mountain views, and a beach finish in town.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 21, 2026.
Quick facts
- Scenic course loops around Schroon Lake; starts on Main Street, Schroon.
- Early Bird Start offers extra time; non-competitive with finisher’s medal.
- Includes 2-person and 4-person relays for a team experience.
- Complimentary buses transport runners from Schroon to race start.
About the Adirondack Marathon
The Adirondack Marathon takes runners on a visually scenic 26.2-mile journey around Schroon Lake, featuring a challenging mix of flat stretches, steep climbs, and Adirondack Mountain views. With a cozy field of 500 participants, this USATF-certified race offers a supportive atmosphere complete with frequent aid stations, an Early Bird Start, and a weekend-long festival of events, making it a distinctive and memorable experience for both runners and their families.
Course
The clockwise loop around Schroon Lake starts in town and finishes at the beach. A steep climb arrives in the opening miles, followed by long rollers and quieter lakeside roads rather than a flat recovery section.
Race-day weather
Late September at Schroon Lake often begins cool and warms through the morning, with temperatures commonly around 50-70°F (10-21°C). Rain is possible, and shaded lakeside sections may stay cooler.
Past Adirondack Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, September 27, 2026 | Upcoming | — |
| 2025 | Sunday, September 28, 2025 | Completed | Open results |
| 2024 | — | Completed | Open results |
Adirondack Marathon FAQ
When is the Adirondack Marathon?
The 2026 Adirondack Marathon is on Sunday, September 27, 2026.
How do I register for the Adirondack Marathon?
You can register for the Adirondack Marathon at adirondackmarathon.org.
Can I use the Adirondack Marathon for Boston qualifying?
Marathon Scout marks the Adirondack Marathon as a Boston qualifier. Check the current Boston qualifying times and confirm current certification with the race before registering.
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