Friday, October 16, 2026Dubuque, IA
Mines of Spain 100
View on RunSignup ↗Registration closed
2 events
- 100K100KUltraStarts 8:00 AM
- 100 Mile100 miUltraStarts 8:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 90/100
- High / low
- 61° / 41°F
- 16° / 5°C
- Humidity
- 75%
- Dew point 42°F
- Chance of rain
- 30%
- Wind
- 11 mph
- Average
- Often windy: about 11 mph on average.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 10% fasterFinish times are typically 10% faster than at other trail 100Ks.1 year, 70 finishers; men and women compared separately.
- Typical timesFinish times are typical for trail 100-mile races.1 year, 67 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2025 | 100 Mile · 100 mi | 67 | 28:50:53 | 28:03:40 | 30:46:32 |
| 2025 | 100K · 100K | 70 | 16:35:32 | 15:08:14 | 17:37:37 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.