Date
November 8, 2026
Field Size
Small (<500)
PR Score
99.5 / 100
BQ Rate
8.9%
Race Watchlist
Get monthly BQ intel with course trends, registration reminders, and fast-race picks before you commit.
PR Score: 99.45, indicating a nearly perfectly flat course ideal for maintaining pace.
BQ Rate: 8.9%, meaning slightly fewer than 1 in 10 participants qualify for Boston.
Field Size: 202 finishers, creating a less crowded environment with fewer distractions.
Course Profile: Mostly flat, offering consistent terrain that can help with energy conservation throughout the race.
With a PR score of 99.45, this marathon is among the flattest courses you'll encounter. Set in the tranquil town of Port Austin, Michigan, the course meanders through scenic rural landscapes, making for a pleasant running experience. Despite its mostly flat profile, approximately 8.9% of finishers achieve a Boston qualification, showcasing the competitive edge of this small field. Expect a cozy atmosphere with only 202 other participants, which can lead to a more intimate race experience.
Thumb Coast Marathon is an Emerging BQ venue — a legitimate qualifier for committed runners, though BQ rates are still building as the race grows. Historically, around 8.9% of finishers have posted Boston-qualifying times here. The course profile rewards runners who execute a well-paced effort from the start.
To maximize your chances of qualifying for Boston, focus on even splits throughout the marathon, taking advantage of the flat sections to maintain your pace. Avoid going out too fast, as the small field can create a false sense of urgency; instead, find a comfortable rhythm early and conserve energy for a strong finish.
Detailed elevation profile data is being prepared for this race. Check back soon for interactive course analysis.
Typical conditions: Cool (40–60°F), ideal racing conditions. Fall conditions are typically the most reliable for marathon efforts, with cool mornings that hold through the finish for most runners.
Find accommodation for race weekend in Port Austin, MI.
Hotel links may earn a small commission at no cost to you.
Fast Course Briefing
One email per month. Course trends, registration deadlines, and editor-picked qualifiers.