Iowa · Half Marathon · 7 Mile · 4 Mile
Mines of Spain Trail Races
Mines of Spain Trail Races is a half marathon, 7 Mile and 4 Mile event held in Dubuque, Iowa. Its next confirmed date is Saturday, August 14, 2027. About 400 runners take part across all distances.
- Race day
- August 14, 2027
- Location
- Dubuque, IA
- Field size
- ~400 runners
Race details
- Date
- Saturday, August 14, 2027
- Location
- Dubuque, Iowa
- Distances
- Half Marathon, 7 Mile, 4 Mile
- Field size
- About 400 runners
- Course
- Hilly singletrack, significant climbing
- Registration
- ultrasignup.com
- Official website
- minesofspaintrailraces.com
Registration, course & weather
- Registration status
- Registration status as last checked October 8, 2026: opens soon
- Start time
- 7:30 AM CDT
- Course profile — Half Marathon
- Loop course; Trail surface
- Course profile — 7 Mile
- Loop course; Trail surface
- Course profile — 4 Mile
- Loop course; Trail surface
About the Mines of Spain Trail Races
A rugged summer trail race series on the wooded, hilly singletrack of Dubuque's Mines of Spain Recreation Area, offering half-marathon, 7-mile and 4-mile distances.
Rankings and notes
- Rankings and awards
- Premier eastern Iowa trail race in the Mines of Spain Recreation Area
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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.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Mines of Spain Trail Races: common questions
- When is the Mines of Spain Trail Races?
- The next confirmed date is Saturday, August 14, 2027.
- Where is the Mines of Spain Trail Races held?
- In Dubuque, Iowa.
- What distances does the Mines of Spain Trail Races offer?
- Half Marathon, 7 Mile and 4 Mile.
- How many people run the Mines of Spain Trail Races?
- About 400 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 Mines of Spain Trail Races?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Mines of Spain Trail Races?
- Registration status as last checked October 8, 2026: opens soon.
- What time does the Mines of Spain Trail Races start?
- 7:30 AM CDT.
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.