Michigan · 100 Miler
Anderson Lake Backyard Ultra
Anderson Lake Backyard Ultra is a 100 Miler event held in Gwinn, Michigan. It was last held on October 10, 2026 and is usually run in October; the next date hasn't been announced yet. About 65 runners take part across all distances.
- Usually held
- October
- Location
- Gwinn, MI
- Field size
- ~65 runners
Race details
- Last held
- October 10, 2026
- Usually held in
- October
- Location
- Gwinn, Michigan
- Distances
- 100 Miler
- Field size
- About 65 runners
- Course
- Repeating 4.167-mi forest loop (gravel, singletrack, and the rolling Anderson Lake Ski Trail) with about 289 ft of climbing per loop.
- Registration
- runsignup.com
- Official website
- exploreourwild.com
Registration, course & weather
- Registration status
- Registration status as last checked September 26, 2026: open
- Start time
- 9:00 AM EDT
- Course profile
- Loop course; Mostly trail, some road; 289 ft gain (official course data)
About the Anderson Lake Backyard Ultra
Welcome to the 2nd annual Anderson Lake Backyard Ultra. This is a 24-hour capped backyard ultra. Join us for a fun-filled day (and night) of running and camaraderie. We can’t say enough that this race is for just about everybody. This isn’t your typical ultra-marathon. We emphasize doing your best, rather than strict competition. Runners will run one 4.167-mile loop every hour, on the hour, for up to 24 hours. As long as you can make it back to basecamp and the start corral before the next hour…
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Anderson Lake Backyard Ultra: common questions
- When is the Anderson Lake Backyard Ultra?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Anderson Lake Backyard Ultra held?
- In Gwinn, Michigan.
- What distances does the Anderson Lake Backyard Ultra offer?
- 100 Miler.
- How many people run the Anderson Lake Backyard Ultra?
- About 65 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Anderson Lake Backyard Ultra?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Anderson Lake Backyard Ultra?
- Registration status as last checked September 26, 2026: open. $75 (from runsignup.com, checked September 26, 2026).
- What time does the Anderson Lake Backyard Ultra start?
- 9:00 AM EDT.
- What is the course like at the Anderson Lake Backyard Ultra?
- Loop course; Mostly trail, some road; 289 ft gain (official course data).
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