Logo

Miner 49er

Dubuque, United States • 8 Nov 2025

Miner 49er - Nov 8, 2025

The event in Dubuque, IA offers two distances:

  • 50K
  • 25K

Registration closes on Fri, Oct 31 at 11:59 PM CT. Race registration fees are not refundable and registrations are not transferable. Packet pick up is at the EB Lyons Interpretive Center, 8991 Bellevue Heights Rd: Friday Nov 7 from 6:00 PM to 7:30 PM and Saturday morning from 7:00 AM to 7:45 AM. No same-day registration is available.

Course and race logistics

The course is in the Mines of Spain park and uses single track, some double track, and prairie trail. The 25k is an out-and-back with about 2200 feet of elevation gain. The 50k covers the 25k course twice for about 4400 feet of gain. Trail features include stone steps, stream crossings, rocks, and roots. There are three aid stations stocked with standard ultra-event nutrition. Because the race is in a public park, there may be non-race trail users on the course. Pacers are not allowed. Changing race distance after registration requires confirmation with the race director; switching 50k to 25k must be confirmed before the race and has no refund. Switching 25k to 50k requires verification and payment of the price difference. Visit the organization's website for the most recent information.

United States Iowa Dubuque

Race information

Registration Facebook
50 km
4400 m+
50k
25 km
2200 m+
25k
Visit the organization's website for the most recent information.
Trail runs nearby

Triple D Winter Race

Dubuque

...

Take on the Triple D Winter Race in Dubuque County on January 17, 2026 with bike and run distances for every level. Organized by local volunteers, the day ends with warm food and drinks at 7Hills Brewery Event Center and prizes for top fini..

Galena Sky Trail Races

Galena - 13 mi from Dubuque

Run scenic resort trails and ski hills at Chestnut Mountain Resort in Galena with sweeping views across the Mississippi into Iowa and Wisconsin. Choose 4 hour or 8 hour timed loop formats, enjoy a post race meal and lively after party.

Swiss Valley Trail Races

Peosta - 10 mi from Dubuque

Test your legs on rugged, scenic loops at the Swiss Valley Trail Races with 50K, 25K and a 5.2 mile course. Enjoy creek crossings, big climbs, free camping and showers while supporting local conservation; registration opens Jan 1, 2026.

Mines Of Spain 100 - Dubuque, IA

Dubuque

The Mines of Spain 100 offers 100 mile and 100 kilometer trail ultraruns on scenic loops around Dubuque's Mines of Spain. Expect rugged singletrack, steep climbs and Mississippi River views on a challenging multi loop course.