Iowa · 100 Miler · 100K
Mines of Spain 100
Mines of Spain 100 is a 100 Miler and 100K event held in Dubuque, Iowa. Its next confirmed date is Friday, October 15, 2027. About 66 runners take part across all distances.
- Race day
- October 15, 2027
- Location
- Dubuque, IA
- Field size
- ~66 runners
Race details
- Date
- Friday, October 15, 2027
- Location
- Dubuque, Iowa
- Distances
- 100 Miler, 100K
- Field size
- About 66 runners
- Course
- 8400 ft gain
- Registration
- ultrasignup.com
- Official website
- minesofspain100.com
Registration, course & weather
- Start time
- 8:00 AM CDT
- Course profile — 100K
- Loop course; Mostly trail, some road; 8400 ft gain, 8400 ft loss (official course data); Not USATF certified
- Course profile — 100 Miler
- Loop course; Mostly trail, some road; 14000 ft gain, 14000 ft loss (official course data); Not USATF certified
About the Mines of Spain 100
The Mines of Spain 100 is a looped 100-mile and 100K trail ultra in the Mines of Spain Recreation Area along the Mississippi River in Dubuque, Iowa, with runners repeating a hilly ~20-mile loop of dirt, grass, and rock trail through the driftless region's bluffs and prairies.
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Mines of Spain 100: common questions
- When is the Mines of Spain 100?
- The next confirmed date is Friday, October 15, 2027.
- Where is the Mines of Spain 100 held?
- In Dubuque, Iowa.
- What distances does the Mines of Spain 100 offer?
- 100 Miler and 100K.
- How many people run the Mines of Spain 100?
- About 66 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 100?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- What time does the Mines of Spain 100 start?
- 8:00 AM CDT.
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