Michigan · 24HR 4 Person · 24HR · 24HR 2 Person
Back 9 Endurance Run
Back 9 Endurance Run is a 24HR 4 Person, 24HR, 24HR 2 Person, 12HR 4 Person and 12HR event held in Copper Harbor, Michigan. Its next confirmed date is Saturday, May 29, 2027. About 40 runners take part across all distances.
- Race day
- May 29, 2027
- Location
- Copper Harbor, MI
- Field size
- ~40 runners
Race details
- Date
- Saturday, May 29, 2027
- Location
- Copper Harbor, Michigan
- Distances
- 24HR 4 Person, 24HR, 24HR 2 Person, 12HR 4 Person, 12HR, 12HR 2 Person
- Field size
- About 40 runners
- Registration
- ultrasignup.com
- Official website
- back9endurancerun.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $80 (from back9endurancerun.com, checked October 18, 2026)
- Start time
- 8:00 AM EDT
- Course profile — 12HR
- Loop course; Road surface
- Course profile — 24HR
- Loop course; Road surface
About the Back 9 Endurance Run
Back 9 Endurance Run in Copper Harbor, MI.
More upcoming races in Michigan
Keep exploring
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Back 9 Endurance Run: common questions
- When is the Back 9 Endurance Run?
- The next confirmed date is Saturday, May 29, 2027.
- Where is the Back 9 Endurance Run held?
- In Copper Harbor, Michigan.
- What distances does the Back 9 Endurance Run offer?
- 24HR 4 Person, 24HR, 24HR 2 Person, 12HR 4 Person, 12HR and 12HR 2 Person.
- How many people run the Back 9 Endurance Run?
- About 40 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 Back 9 Endurance Run?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Back 9 Endurance Run?
- Yes — registration is open. Listed fee for the longest distance, $80 (from back9endurancerun.com, checked October 18, 2026).
- What time does the Back 9 Endurance Run start?
- 8:00 AM EDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.