RunRace USA › Iowa › Mines of Spain 100
Mines of Spain 100
Dubuque, Iowa · Friday, October 16, 2026 · 100 Mile, 100K
Official race page & registration ↗Mines of Spain 100 takes place on Friday, October 16, 2026 in Dubuque, Iowa. The race offers 2 distances: 100 Mile, 100K. For anyone travelling in, Clinton is about 50 miles away and Madison is about 76 miles away.
It is one of 69 races on the Iowa calendar that October. The 100 Mile is rare in Iowa: only four races on the calendar offer it. Unusually for a race, it falls on a Friday.
- Date
- Friday, October 16, 2026
- Location
- Dubuque, Iowa
- Distances
- 100 Mile, 100K
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Dubuque: check in Oct 15, out Oct 17.
Common questions
When is Mines of Spain 100?
Mines of Spain 100 is scheduled for Friday, October 16, 2026.
Where is Mines of Spain 100 held?
Mines of Spain 100 is held in Dubuque, Iowa. It is about 50 miles from Clinton and 76 miles from Madison.
What distances does Mines of Spain 100 offer?
The listed distances are 100 Mile, 100K.
How do I register for Mines of Spain 100?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 16Meyerhoff's MayhemCedar Falls, IA
- Oct 1733rd Annual Washburn Classic MS Statewide Cross Country MeetAnkeny, IA
- Oct 17Carl's 5K and Fall FestOxford, IA
- Oct 17Geode Challenge RacesDanville, IA
- Oct 17Haunted 5K, 10K, 13.1M & 26.2M at Bettendorf, IA (42)Bettendorf, IA
See every race on the Iowa calendar, Iowa Ultras, or use the Race Finder for maps and filters.